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* Currently this is specific to the case of discretizing a continuous action space. Can easily be adapted to other case by feeding the kNN otherwise, and removing the usage of a discretizing output action filter
666 lines
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<div class="section" id="spaces">
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<h1>Spaces<a class="headerlink" href="#spaces" title="Permalink to this headline">¶</a></h1>
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<div class="section" id="space">
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<h2>Space<a class="headerlink" href="#space" title="Permalink to this headline">¶</a></h2>
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<dl class="class">
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<dt id="rl_coach.spaces.Space">
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<em class="property">class </em><code class="sig-prename descclassname">rl_coach.spaces.</code><code class="sig-name descname">Space</code><span class="sig-paren">(</span><em class="sig-param">shape: Union[int, tuple, list, numpy.ndarray], low: Union[None, int, float, numpy.ndarray] = -inf, high: Union[None, int, float, numpy.ndarray] = inf</em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/rl_coach/spaces.html#Space"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#rl_coach.spaces.Space" title="Permalink to this definition">¶</a></dt>
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<dd><p>A space defines a set of valid values</p>
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<dl class="field-list simple">
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<dt class="field-odd">Parameters</dt>
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<dd class="field-odd"><ul class="simple">
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<li><p><strong>shape</strong> – the shape of the space</p></li>
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<li><p><strong>low</strong> – the lowest values possible in the space. can be an array defining the lowest values per point,
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or a single value defining the general lowest values</p></li>
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<li><p><strong>high</strong> – the highest values possible in the space. can be an array defining the highest values per point,
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or a single value defining the general highest values</p></li>
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</ul>
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</dd>
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</dl>
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<dl class="method">
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<dt id="rl_coach.spaces.Space.contains">
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<code class="sig-name descname">contains</code><span class="sig-paren">(</span><em class="sig-param">val: Union[int, float, numpy.ndarray]</em><span class="sig-paren">)</span> → bool<a class="reference internal" href="../_modules/rl_coach/spaces.html#Space.contains"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#rl_coach.spaces.Space.contains" title="Permalink to this definition">¶</a></dt>
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<dd><p>Checks if value is contained by this space. The shape must match and
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all of the values must be within the low and high bounds.</p>
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<dl class="field-list simple">
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<dt class="field-odd">Parameters</dt>
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<dd class="field-odd"><p><strong>val</strong> – a value to check</p>
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</dd>
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<dt class="field-even">Returns</dt>
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<dd class="field-even"><p>True / False depending on if the val matches the space definition</p>
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</dd>
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</dl>
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</dd></dl>
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<dl class="method">
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<dt id="rl_coach.spaces.Space.is_valid_index">
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<code class="sig-name descname">is_valid_index</code><span class="sig-paren">(</span><em class="sig-param">index: numpy.ndarray</em><span class="sig-paren">)</span> → bool<a class="reference internal" href="../_modules/rl_coach/spaces.html#Space.is_valid_index"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#rl_coach.spaces.Space.is_valid_index" title="Permalink to this definition">¶</a></dt>
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<dd><p>Checks if a given multidimensional index is within the bounds of the shape of the space</p>
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<dl class="field-list simple">
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<dt class="field-odd">Parameters</dt>
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<dd class="field-odd"><p><strong>index</strong> – a multidimensional index</p>
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</dd>
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<dt class="field-even">Returns</dt>
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<dd class="field-even"><p>True if the index is within the shape of the space. False otherwise</p>
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</dd>
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</dl>
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</dd></dl>
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<dl class="method">
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<dt id="rl_coach.spaces.Space.sample">
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<code class="sig-name descname">sample</code><span class="sig-paren">(</span><span class="sig-paren">)</span> → numpy.ndarray<a class="reference internal" href="../_modules/rl_coach/spaces.html#Space.sample"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#rl_coach.spaces.Space.sample" title="Permalink to this definition">¶</a></dt>
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<dd><p>Sample the defined space, either uniformly, if space bounds are defined, or Normal distributed if no
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bounds are defined</p>
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<dl class="field-list simple">
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<dt class="field-odd">Returns</dt>
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<dd class="field-odd"><p>A numpy array sampled from the space</p>
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</dd>
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</dl>
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</dd></dl>
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</dd></dl>
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</div>
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<div class="section" id="observation-spaces">
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<h2>Observation Spaces<a class="headerlink" href="#observation-spaces" title="Permalink to this headline">¶</a></h2>
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<dl class="class">
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<dt id="rl_coach.spaces.ObservationSpace">
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<em class="property">class </em><code class="sig-prename descclassname">rl_coach.spaces.</code><code class="sig-name descname">ObservationSpace</code><span class="sig-paren">(</span><em class="sig-param">shape: Union[int, numpy.ndarray], low: Union[None, int, float, numpy.ndarray] = -inf, high: Union[None, int, float, numpy.ndarray] = inf</em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/rl_coach/spaces.html#ObservationSpace"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#rl_coach.spaces.ObservationSpace" title="Permalink to this definition">¶</a></dt>
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<dd><dl class="method">
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<dt id="rl_coach.spaces.ObservationSpace.contains">
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<code class="sig-name descname">contains</code><span class="sig-paren">(</span><em class="sig-param">val: Union[int, float, numpy.ndarray]</em><span class="sig-paren">)</span> → bool<a class="headerlink" href="#rl_coach.spaces.ObservationSpace.contains" title="Permalink to this definition">¶</a></dt>
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<dd><p>Checks if value is contained by this space. The shape must match and
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all of the values must be within the low and high bounds.</p>
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<dl class="field-list simple">
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<dt class="field-odd">Parameters</dt>
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<dd class="field-odd"><p><strong>val</strong> – a value to check</p>
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</dd>
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<dt class="field-even">Returns</dt>
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<dd class="field-even"><p>True / False depending on if the val matches the space definition</p>
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</dd>
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</dl>
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</dd></dl>
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<dl class="method">
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<dt id="rl_coach.spaces.ObservationSpace.is_valid_index">
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<code class="sig-name descname">is_valid_index</code><span class="sig-paren">(</span><em class="sig-param">index: numpy.ndarray</em><span class="sig-paren">)</span> → bool<a class="headerlink" href="#rl_coach.spaces.ObservationSpace.is_valid_index" title="Permalink to this definition">¶</a></dt>
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<dd><p>Checks if a given multidimensional index is within the bounds of the shape of the space</p>
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<dl class="field-list simple">
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<dt class="field-odd">Parameters</dt>
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<dd class="field-odd"><p><strong>index</strong> – a multidimensional index</p>
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</dd>
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<dt class="field-even">Returns</dt>
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<dd class="field-even"><p>True if the index is within the shape of the space. False otherwise</p>
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</dd>
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</dl>
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</dd></dl>
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|
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<dl class="method">
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<dt id="rl_coach.spaces.ObservationSpace.sample">
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<code class="sig-name descname">sample</code><span class="sig-paren">(</span><span class="sig-paren">)</span> → numpy.ndarray<a class="headerlink" href="#rl_coach.spaces.ObservationSpace.sample" title="Permalink to this definition">¶</a></dt>
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||
<dd><p>Sample the defined space, either uniformly, if space bounds are defined, or Normal distributed if no
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bounds are defined</p>
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<dl class="field-list simple">
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<dt class="field-odd">Returns</dt>
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<dd class="field-odd"><p>A numpy array sampled from the space</p>
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</dd>
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</dl>
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</dd></dl>
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</dd></dl>
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<div class="section" id="vectorobservationspace">
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<h3>VectorObservationSpace<a class="headerlink" href="#vectorobservationspace" title="Permalink to this headline">¶</a></h3>
|
||
<dl class="class">
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<dt id="rl_coach.spaces.VectorObservationSpace">
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||
<em class="property">class </em><code class="sig-prename descclassname">rl_coach.spaces.</code><code class="sig-name descname">VectorObservationSpace</code><span class="sig-paren">(</span><em class="sig-param">shape: int</em>, <em class="sig-param">low: Union[None</em>, <em class="sig-param">int</em>, <em class="sig-param">float</em>, <em class="sig-param">numpy.ndarray] = -inf</em>, <em class="sig-param">high: Union[None</em>, <em class="sig-param">int</em>, <em class="sig-param">float</em>, <em class="sig-param">numpy.ndarray] = inf</em>, <em class="sig-param">measurements_names: List[str] = None</em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/rl_coach/spaces.html#VectorObservationSpace"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#rl_coach.spaces.VectorObservationSpace" title="Permalink to this definition">¶</a></dt>
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||
<dd><p>An observation space which is defined as a vector of elements. This can be particularly useful for environments
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which return measurements, such as in robotic environments.</p>
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</dd></dl>
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</div>
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<div class="section" id="planarmapsobservationspace">
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<h3>PlanarMapsObservationSpace<a class="headerlink" href="#planarmapsobservationspace" title="Permalink to this headline">¶</a></h3>
|
||
<dl class="class">
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<dt id="rl_coach.spaces.PlanarMapsObservationSpace">
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||
<em class="property">class </em><code class="sig-prename descclassname">rl_coach.spaces.</code><code class="sig-name descname">PlanarMapsObservationSpace</code><span class="sig-paren">(</span><em class="sig-param">shape: numpy.ndarray</em>, <em class="sig-param">low: int</em>, <em class="sig-param">high: int</em>, <em class="sig-param">channels_axis: int = -1</em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/rl_coach/spaces.html#PlanarMapsObservationSpace"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#rl_coach.spaces.PlanarMapsObservationSpace" title="Permalink to this definition">¶</a></dt>
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<dd><p>An observation space which defines a stack of 2D observations. For example, an environment which returns
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a stack of segmentation maps like in Starcraft.</p>
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</dd></dl>
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</div>
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<div class="section" id="imageobservationspace">
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<h3>ImageObservationSpace<a class="headerlink" href="#imageobservationspace" title="Permalink to this headline">¶</a></h3>
|
||
<dl class="class">
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||
<dt id="rl_coach.spaces.ImageObservationSpace">
|
||
<em class="property">class </em><code class="sig-prename descclassname">rl_coach.spaces.</code><code class="sig-name descname">ImageObservationSpace</code><span class="sig-paren">(</span><em class="sig-param">shape: numpy.ndarray</em>, <em class="sig-param">high: int</em>, <em class="sig-param">channels_axis: int = -1</em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/rl_coach/spaces.html#ImageObservationSpace"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#rl_coach.spaces.ImageObservationSpace" title="Permalink to this definition">¶</a></dt>
|
||
<dd><p>An observation space which is a private case of the PlanarMapsObservationSpace, where the stack of 2D observations
|
||
represent a RGB image, or a grayscale image.</p>
|
||
</dd></dl>
|
||
|
||
</div>
|
||
</div>
|
||
<div class="section" id="action-spaces">
|
||
<h2>Action Spaces<a class="headerlink" href="#action-spaces" title="Permalink to this headline">¶</a></h2>
|
||
<dl class="class">
|
||
<dt id="rl_coach.spaces.ActionSpace">
|
||
<em class="property">class </em><code class="sig-prename descclassname">rl_coach.spaces.</code><code class="sig-name descname">ActionSpace</code><span class="sig-paren">(</span><em class="sig-param">shape: Union[int, numpy.ndarray], low: Union[None, int, float, numpy.ndarray] = -inf, high: Union[None, int, float, numpy.ndarray] = inf, descriptions: Union[None, List, Dict] = None, default_action: Union[int, float, numpy.ndarray, List] = None</em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/rl_coach/spaces.html#ActionSpace"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#rl_coach.spaces.ActionSpace" title="Permalink to this definition">¶</a></dt>
|
||
<dd><dl class="method">
|
||
<dt id="rl_coach.spaces.ActionSpace.clip_action_to_space">
|
||
<code class="sig-name descname">clip_action_to_space</code><span class="sig-paren">(</span><em class="sig-param">action: Union[int, float, numpy.ndarray, List]</em><span class="sig-paren">)</span> → Union[int, float, numpy.ndarray, List]<a class="reference internal" href="../_modules/rl_coach/spaces.html#ActionSpace.clip_action_to_space"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#rl_coach.spaces.ActionSpace.clip_action_to_space" title="Permalink to this definition">¶</a></dt>
|
||
<dd><p>Given an action, clip its values to fit to the action space ranges</p>
|
||
<dl class="field-list simple">
|
||
<dt class="field-odd">Parameters</dt>
|
||
<dd class="field-odd"><p><strong>action</strong> – a given action</p>
|
||
</dd>
|
||
<dt class="field-even">Returns</dt>
|
||
<dd class="field-even"><p>the clipped action</p>
|
||
</dd>
|
||
</dl>
|
||
</dd></dl>
|
||
|
||
<dl class="method">
|
||
<dt id="rl_coach.spaces.ActionSpace.contains">
|
||
<code class="sig-name descname">contains</code><span class="sig-paren">(</span><em class="sig-param">val: Union[int, float, numpy.ndarray]</em><span class="sig-paren">)</span> → bool<a class="headerlink" href="#rl_coach.spaces.ActionSpace.contains" title="Permalink to this definition">¶</a></dt>
|
||
<dd><p>Checks if value is contained by this space. The shape must match and
|
||
all of the values must be within the low and high bounds.</p>
|
||
<dl class="field-list simple">
|
||
<dt class="field-odd">Parameters</dt>
|
||
<dd class="field-odd"><p><strong>val</strong> – a value to check</p>
|
||
</dd>
|
||
<dt class="field-even">Returns</dt>
|
||
<dd class="field-even"><p>True / False depending on if the val matches the space definition</p>
|
||
</dd>
|
||
</dl>
|
||
</dd></dl>
|
||
|
||
<dl class="method">
|
||
<dt id="rl_coach.spaces.ActionSpace.is_valid_index">
|
||
<code class="sig-name descname">is_valid_index</code><span class="sig-paren">(</span><em class="sig-param">index: numpy.ndarray</em><span class="sig-paren">)</span> → bool<a class="headerlink" href="#rl_coach.spaces.ActionSpace.is_valid_index" title="Permalink to this definition">¶</a></dt>
|
||
<dd><p>Checks if a given multidimensional index is within the bounds of the shape of the space</p>
|
||
<dl class="field-list simple">
|
||
<dt class="field-odd">Parameters</dt>
|
||
<dd class="field-odd"><p><strong>index</strong> – a multidimensional index</p>
|
||
</dd>
|
||
<dt class="field-even">Returns</dt>
|
||
<dd class="field-even"><p>True if the index is within the shape of the space. False otherwise</p>
|
||
</dd>
|
||
</dl>
|
||
</dd></dl>
|
||
|
||
<dl class="method">
|
||
<dt id="rl_coach.spaces.ActionSpace.sample">
|
||
<code class="sig-name descname">sample</code><span class="sig-paren">(</span><span class="sig-paren">)</span> → numpy.ndarray<a class="headerlink" href="#rl_coach.spaces.ActionSpace.sample" title="Permalink to this definition">¶</a></dt>
|
||
<dd><p>Sample the defined space, either uniformly, if space bounds are defined, or Normal distributed if no
|
||
bounds are defined</p>
|
||
<dl class="field-list simple">
|
||
<dt class="field-odd">Returns</dt>
|
||
<dd class="field-odd"><p>A numpy array sampled from the space</p>
|
||
</dd>
|
||
</dl>
|
||
</dd></dl>
|
||
|
||
<dl class="method">
|
||
<dt id="rl_coach.spaces.ActionSpace.sample_with_info">
|
||
<code class="sig-name descname">sample_with_info</code><span class="sig-paren">(</span><span class="sig-paren">)</span> → rl_coach.core_types.ActionInfo<a class="reference internal" href="../_modules/rl_coach/spaces.html#ActionSpace.sample_with_info"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#rl_coach.spaces.ActionSpace.sample_with_info" title="Permalink to this definition">¶</a></dt>
|
||
<dd><p>Get a random action with additional “fake” info</p>
|
||
<dl class="field-list simple">
|
||
<dt class="field-odd">Returns</dt>
|
||
<dd class="field-odd"><p>An action info instance</p>
|
||
</dd>
|
||
</dl>
|
||
</dd></dl>
|
||
|
||
</dd></dl>
|
||
|
||
<div class="section" id="attentionactionspace">
|
||
<h3>AttentionActionSpace<a class="headerlink" href="#attentionactionspace" title="Permalink to this headline">¶</a></h3>
|
||
<dl class="class">
|
||
<dt id="rl_coach.spaces.AttentionActionSpace">
|
||
<em class="property">class </em><code class="sig-prename descclassname">rl_coach.spaces.</code><code class="sig-name descname">AttentionActionSpace</code><span class="sig-paren">(</span><em class="sig-param">shape: int</em>, <em class="sig-param">low: Union[None</em>, <em class="sig-param">int</em>, <em class="sig-param">float</em>, <em class="sig-param">numpy.ndarray] = -inf</em>, <em class="sig-param">high: Union[None</em>, <em class="sig-param">int</em>, <em class="sig-param">float</em>, <em class="sig-param">numpy.ndarray] = inf</em>, <em class="sig-param">descriptions: Union[None</em>, <em class="sig-param">List</em>, <em class="sig-param">Dict] = None</em>, <em class="sig-param">default_action: numpy.ndarray = None</em>, <em class="sig-param">forced_attention_size: Union[None</em>, <em class="sig-param">int</em>, <em class="sig-param">float</em>, <em class="sig-param">numpy.ndarray] = None</em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/rl_coach/spaces.html#AttentionActionSpace"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#rl_coach.spaces.AttentionActionSpace" title="Permalink to this definition">¶</a></dt>
|
||
<dd><p>A box selection continuous action space, meaning that the actions are defined as selecting a multidimensional box
|
||
from a given range.
|
||
The actions will be in the form:
|
||
[[low_x, low_y, …], [high_x, high_y, …]]</p>
|
||
</dd></dl>
|
||
|
||
</div>
|
||
<div class="section" id="boxactionspace">
|
||
<h3>BoxActionSpace<a class="headerlink" href="#boxactionspace" title="Permalink to this headline">¶</a></h3>
|
||
<dl class="class">
|
||
<dt id="rl_coach.spaces.BoxActionSpace">
|
||
<em class="property">class </em><code class="sig-prename descclassname">rl_coach.spaces.</code><code class="sig-name descname">BoxActionSpace</code><span class="sig-paren">(</span><em class="sig-param">shape: Union[int, numpy.ndarray], low: Union[None, int, float, numpy.ndarray] = -inf, high: Union[None, int, float, numpy.ndarray] = inf, descriptions: Union[None, List, Dict] = None, default_action: numpy.ndarray = None</em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/rl_coach/spaces.html#BoxActionSpace"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#rl_coach.spaces.BoxActionSpace" title="Permalink to this definition">¶</a></dt>
|
||
<dd><p>A multidimensional bounded or unbounded continuous action space</p>
|
||
</dd></dl>
|
||
|
||
</div>
|
||
<div class="section" id="discreteactionspace">
|
||
<h3>DiscreteActionSpace<a class="headerlink" href="#discreteactionspace" title="Permalink to this headline">¶</a></h3>
|
||
<dl class="class">
|
||
<dt id="rl_coach.spaces.DiscreteActionSpace">
|
||
<em class="property">class </em><code class="sig-prename descclassname">rl_coach.spaces.</code><code class="sig-name descname">DiscreteActionSpace</code><span class="sig-paren">(</span><em class="sig-param">num_actions: int</em>, <em class="sig-param">descriptions: Union[None</em>, <em class="sig-param">List</em>, <em class="sig-param">Dict] = None</em>, <em class="sig-param">default_action: numpy.ndarray = None</em>, <em class="sig-param">filtered_action_space=None</em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/rl_coach/spaces.html#DiscreteActionSpace"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#rl_coach.spaces.DiscreteActionSpace" title="Permalink to this definition">¶</a></dt>
|
||
<dd><p>A discrete action space with action indices as actions</p>
|
||
</dd></dl>
|
||
|
||
</div>
|
||
<div class="section" id="multiselectactionspace">
|
||
<h3>MultiSelectActionSpace<a class="headerlink" href="#multiselectactionspace" title="Permalink to this headline">¶</a></h3>
|
||
<dl class="class">
|
||
<dt id="rl_coach.spaces.MultiSelectActionSpace">
|
||
<em class="property">class </em><code class="sig-prename descclassname">rl_coach.spaces.</code><code class="sig-name descname">MultiSelectActionSpace</code><span class="sig-paren">(</span><em class="sig-param">size: int</em>, <em class="sig-param">max_simultaneous_selected_actions: int = 1</em>, <em class="sig-param">descriptions: Union[None</em>, <em class="sig-param">List</em>, <em class="sig-param">Dict] = None</em>, <em class="sig-param">default_action: numpy.ndarray = None</em>, <em class="sig-param">allow_no_action_to_be_selected=True</em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/rl_coach/spaces.html#MultiSelectActionSpace"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#rl_coach.spaces.MultiSelectActionSpace" title="Permalink to this definition">¶</a></dt>
|
||
<dd><p>A discrete action space where multiple actions can be selected at once. The actions are encoded as multi-hot vectors</p>
|
||
</dd></dl>
|
||
|
||
</div>
|
||
<div class="section" id="compoundactionspace">
|
||
<h3>CompoundActionSpace<a class="headerlink" href="#compoundactionspace" title="Permalink to this headline">¶</a></h3>
|
||
<dl class="class">
|
||
<dt id="rl_coach.spaces.CompoundActionSpace">
|
||
<em class="property">class </em><code class="sig-prename descclassname">rl_coach.spaces.</code><code class="sig-name descname">CompoundActionSpace</code><span class="sig-paren">(</span><em class="sig-param">sub_spaces: List[rl_coach.spaces.ActionSpace]</em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/rl_coach/spaces.html#CompoundActionSpace"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#rl_coach.spaces.CompoundActionSpace" title="Permalink to this definition">¶</a></dt>
|
||
<dd><p>An action space which consists of multiple sub-action spaces.
|
||
For example, in Starcraft the agent should choose an action identifier from ~550 options (Discrete(550)),
|
||
but it also needs to choose 13 different arguments for the selected action identifier, where each argument is
|
||
by itself an action space. In Starcraft, the arguments are Discrete action spaces as well, but this is not mandatory.</p>
|
||
</dd></dl>
|
||
|
||
</div>
|
||
</div>
|
||
<div class="section" id="goal-spaces">
|
||
<h2>Goal Spaces<a class="headerlink" href="#goal-spaces" title="Permalink to this headline">¶</a></h2>
|
||
<dl class="class">
|
||
<dt id="rl_coach.spaces.GoalsSpace">
|
||
<em class="property">class </em><code class="sig-prename descclassname">rl_coach.spaces.</code><code class="sig-name descname">GoalsSpace</code><span class="sig-paren">(</span><em class="sig-param">goal_name: str, reward_type: rl_coach.spaces.GoalToRewardConversion, distance_metric: Union[rl_coach.spaces.GoalsSpace.DistanceMetric, Callable]</em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/rl_coach/spaces.html#GoalsSpace"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#rl_coach.spaces.GoalsSpace" title="Permalink to this definition">¶</a></dt>
|
||
<dd><p>A multidimensional space with a goal type definition. It also behaves as an action space, so that hierarchical
|
||
agents can use it as an output action space.
|
||
The class acts as a wrapper to the target space. So after setting the target space, all the values of the class
|
||
will match the values of the target space (the shape, low, high, etc.)</p>
|
||
<dl class="field-list simple">
|
||
<dt class="field-odd">Parameters</dt>
|
||
<dd class="field-odd"><ul class="simple">
|
||
<li><p><strong>goal_name</strong> – the name of the observation space to use as the achieved goal.</p></li>
|
||
<li><p><strong>reward_type</strong> – the reward type to use for converting distances from goal to rewards</p></li>
|
||
<li><p><strong>distance_metric</strong> – the distance metric to use. could be either one of the distances in the
|
||
DistanceMetric enum, or a custom function that gets two vectors as input and
|
||
returns the distance between them</p></li>
|
||
</ul>
|
||
</dd>
|
||
</dl>
|
||
<dl class="class">
|
||
<dt id="rl_coach.spaces.GoalsSpace.DistanceMetric">
|
||
<em class="property">class </em><code class="sig-name descname">DistanceMetric</code><a class="reference internal" href="../_modules/rl_coach/spaces.html#GoalsSpace.DistanceMetric"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#rl_coach.spaces.GoalsSpace.DistanceMetric" title="Permalink to this definition">¶</a></dt>
|
||
<dd><p>An enumeration.</p>
|
||
</dd></dl>
|
||
|
||
<dl class="method">
|
||
<dt id="rl_coach.spaces.GoalsSpace.clip_action_to_space">
|
||
<code class="sig-name descname">clip_action_to_space</code><span class="sig-paren">(</span><em class="sig-param">action: Union[int, float, numpy.ndarray, List]</em><span class="sig-paren">)</span> → Union[int, float, numpy.ndarray, List]<a class="headerlink" href="#rl_coach.spaces.GoalsSpace.clip_action_to_space" title="Permalink to this definition">¶</a></dt>
|
||
<dd><p>Given an action, clip its values to fit to the action space ranges</p>
|
||
<dl class="field-list simple">
|
||
<dt class="field-odd">Parameters</dt>
|
||
<dd class="field-odd"><p><strong>action</strong> – a given action</p>
|
||
</dd>
|
||
<dt class="field-even">Returns</dt>
|
||
<dd class="field-even"><p>the clipped action</p>
|
||
</dd>
|
||
</dl>
|
||
</dd></dl>
|
||
|
||
<dl class="method">
|
||
<dt id="rl_coach.spaces.GoalsSpace.contains">
|
||
<code class="sig-name descname">contains</code><span class="sig-paren">(</span><em class="sig-param">val: Union[int, float, numpy.ndarray]</em><span class="sig-paren">)</span> → bool<a class="headerlink" href="#rl_coach.spaces.GoalsSpace.contains" title="Permalink to this definition">¶</a></dt>
|
||
<dd><p>Checks if value is contained by this space. The shape must match and
|
||
all of the values must be within the low and high bounds.</p>
|
||
<dl class="field-list simple">
|
||
<dt class="field-odd">Parameters</dt>
|
||
<dd class="field-odd"><p><strong>val</strong> – a value to check</p>
|
||
</dd>
|
||
<dt class="field-even">Returns</dt>
|
||
<dd class="field-even"><p>True / False depending on if the val matches the space definition</p>
|
||
</dd>
|
||
</dl>
|
||
</dd></dl>
|
||
|
||
<dl class="method">
|
||
<dt id="rl_coach.spaces.GoalsSpace.distance_from_goal">
|
||
<code class="sig-name descname">distance_from_goal</code><span class="sig-paren">(</span><em class="sig-param">goal: numpy.ndarray</em>, <em class="sig-param">state: dict</em><span class="sig-paren">)</span> → float<a class="reference internal" href="../_modules/rl_coach/spaces.html#GoalsSpace.distance_from_goal"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#rl_coach.spaces.GoalsSpace.distance_from_goal" title="Permalink to this definition">¶</a></dt>
|
||
<dd><p>Given a state, check its distance from the goal</p>
|
||
<dl class="field-list simple">
|
||
<dt class="field-odd">Parameters</dt>
|
||
<dd class="field-odd"><ul class="simple">
|
||
<li><p><strong>goal</strong> – a numpy array representing the goal</p></li>
|
||
<li><p><strong>state</strong> – a dict representing the state</p></li>
|
||
</ul>
|
||
</dd>
|
||
<dt class="field-even">Returns</dt>
|
||
<dd class="field-even"><p>the distance from the goal</p>
|
||
</dd>
|
||
</dl>
|
||
</dd></dl>
|
||
|
||
<dl class="method">
|
||
<dt id="rl_coach.spaces.GoalsSpace.get_reward_for_goal_and_state">
|
||
<code class="sig-name descname">get_reward_for_goal_and_state</code><span class="sig-paren">(</span><em class="sig-param">goal: numpy.ndarray</em>, <em class="sig-param">state: dict</em><span class="sig-paren">)</span> → Tuple[float, bool]<a class="reference internal" href="../_modules/rl_coach/spaces.html#GoalsSpace.get_reward_for_goal_and_state"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#rl_coach.spaces.GoalsSpace.get_reward_for_goal_and_state" title="Permalink to this definition">¶</a></dt>
|
||
<dd><p>Given a state, check if the goal was reached and return a reward accordingly</p>
|
||
<dl class="field-list simple">
|
||
<dt class="field-odd">Parameters</dt>
|
||
<dd class="field-odd"><ul class="simple">
|
||
<li><p><strong>goal</strong> – a numpy array representing the goal</p></li>
|
||
<li><p><strong>state</strong> – a dict representing the state</p></li>
|
||
</ul>
|
||
</dd>
|
||
<dt class="field-even">Returns</dt>
|
||
<dd class="field-even"><p>the reward for the current goal and state pair and a boolean representing if the goal was reached</p>
|
||
</dd>
|
||
</dl>
|
||
</dd></dl>
|
||
|
||
<dl class="method">
|
||
<dt id="rl_coach.spaces.GoalsSpace.goal_from_state">
|
||
<code class="sig-name descname">goal_from_state</code><span class="sig-paren">(</span><em class="sig-param">state: Dict</em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/rl_coach/spaces.html#GoalsSpace.goal_from_state"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#rl_coach.spaces.GoalsSpace.goal_from_state" title="Permalink to this definition">¶</a></dt>
|
||
<dd><p>Given a state, extract an observation according to the goal_name</p>
|
||
<dl class="field-list simple">
|
||
<dt class="field-odd">Parameters</dt>
|
||
<dd class="field-odd"><p><strong>state</strong> – a dictionary of observations</p>
|
||
</dd>
|
||
<dt class="field-even">Returns</dt>
|
||
<dd class="field-even"><p>the observation corresponding to the goal_name</p>
|
||
</dd>
|
||
</dl>
|
||
</dd></dl>
|
||
|
||
<dl class="method">
|
||
<dt id="rl_coach.spaces.GoalsSpace.is_valid_index">
|
||
<code class="sig-name descname">is_valid_index</code><span class="sig-paren">(</span><em class="sig-param">index: numpy.ndarray</em><span class="sig-paren">)</span> → bool<a class="headerlink" href="#rl_coach.spaces.GoalsSpace.is_valid_index" title="Permalink to this definition">¶</a></dt>
|
||
<dd><p>Checks if a given multidimensional index is within the bounds of the shape of the space</p>
|
||
<dl class="field-list simple">
|
||
<dt class="field-odd">Parameters</dt>
|
||
<dd class="field-odd"><p><strong>index</strong> – a multidimensional index</p>
|
||
</dd>
|
||
<dt class="field-even">Returns</dt>
|
||
<dd class="field-even"><p>True if the index is within the shape of the space. False otherwise</p>
|
||
</dd>
|
||
</dl>
|
||
</dd></dl>
|
||
|
||
<dl class="method">
|
||
<dt id="rl_coach.spaces.GoalsSpace.sample">
|
||
<code class="sig-name descname">sample</code><span class="sig-paren">(</span><span class="sig-paren">)</span> → numpy.ndarray<a class="headerlink" href="#rl_coach.spaces.GoalsSpace.sample" title="Permalink to this definition">¶</a></dt>
|
||
<dd><p>Sample the defined space, either uniformly, if space bounds are defined, or Normal distributed if no
|
||
bounds are defined</p>
|
||
<dl class="field-list simple">
|
||
<dt class="field-odd">Returns</dt>
|
||
<dd class="field-odd"><p>A numpy array sampled from the space</p>
|
||
</dd>
|
||
</dl>
|
||
</dd></dl>
|
||
|
||
<dl class="method">
|
||
<dt id="rl_coach.spaces.GoalsSpace.sample_with_info">
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<code class="sig-name descname">sample_with_info</code><span class="sig-paren">(</span><span class="sig-paren">)</span> → rl_coach.core_types.ActionInfo<a class="headerlink" href="#rl_coach.spaces.GoalsSpace.sample_with_info" title="Permalink to this definition">¶</a></dt>
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<dd><p>Get a random action with additional “fake” info</p>
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<dl class="field-list simple">
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<dt class="field-odd">Returns</dt>
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<dd class="field-odd"><p>An action info instance</p>
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</dd>
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