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Merge pull request #1336 from quantopian/pipeline-docs-touchups
DOC: Pipeline docstring edits
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@@ -636,9 +636,9 @@ class Factor(RestrictedDTypeMixin, ComputableTerm):
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Parameters
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----------
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target : zipline.pipeline.Term with a numeric dtype
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The term with which to compute correlations against each column of
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data produced by `self`. This may be a Factor, a BoundColumn or a
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Slice. If `target` is two-dimensional, correlations are computed
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The term used to compute correlations against each column of data
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produced by `self`. This may be a Factor, a BoundColumn or a Slice.
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If `target` is two-dimensional, correlations are computed
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asset-wise.
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correlation_length : int
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Length of the lookback window over which to compute each
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@@ -661,7 +661,7 @@ class Factor(RestrictedDTypeMixin, ComputableTerm):
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by doing the following::
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returns = Returns(window_length=10)
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returns_slice = returns[Asset(24)]
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returns_slice = returns[sid(24)]
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aapl_correlations = returns.pearsonr(
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target=returns_slice, correlation_length=30,
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)
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@@ -669,7 +669,7 @@ class Factor(RestrictedDTypeMixin, ComputableTerm):
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This is equivalent to doing::
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aapl_correlations = RollingPearsonOfReturns(
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target=Asset(24), returns_length=10, correlation_length=30,
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target=sid(24), returns_length=10, correlation_length=30,
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)
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See Also
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@@ -701,9 +701,9 @@ class Factor(RestrictedDTypeMixin, ComputableTerm):
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Parameters
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----------
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target : zipline.pipeline.Term with a numeric dtype
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The term with which to compute correlations against each column of
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data produced by `self`. This may be a Factor, a BoundColumn or a
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Slice. If `target` is two-dimensional, correlations are computed
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The term used to compute correlations against each column of data
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produced by `self`. This may be a Factor, a BoundColumn or a Slice.
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If `target` is two-dimensional, correlations are computed
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asset-wise.
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correlation_length : int
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Length of the lookback window over which to compute each
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@@ -726,7 +726,7 @@ class Factor(RestrictedDTypeMixin, ComputableTerm):
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by doing the following::
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returns = Returns(window_length=10)
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returns_slice = returns[Asset(24)]
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returns_slice = returns[sid(24)]
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aapl_correlations = returns.spearmanr(
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target=returns_slice, correlation_length=30,
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)
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@@ -734,7 +734,7 @@ class Factor(RestrictedDTypeMixin, ComputableTerm):
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This is equivalent to doing::
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aapl_correlations = RollingSpearmanOfReturns(
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target=Asset(24), returns_length=10, correlation_length=30,
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target=sid(24), returns_length=10, correlation_length=30,
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)
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See Also
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@@ -767,7 +767,7 @@ class Factor(RestrictedDTypeMixin, ComputableTerm):
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----------
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target : zipline.pipeline.Term with a numeric dtype
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The term to use as the predictor/independent variable in each
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regression. This may be a Factor, a BoundColumn or a Slice. If
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regression. This may be a Factor, a BoundColumn or a Slice. If
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`target` is two-dimensional, correlations are computed asset-wise.
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correlation_length : int
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Length of the lookback window over which to compute each
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@@ -789,7 +789,7 @@ class Factor(RestrictedDTypeMixin, ComputableTerm):
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regression over 30 days. This can be achieved by doing the following::
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returns = Returns(window_length=10)
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returns_slice = returns[Asset(24)]
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returns_slice = returns[sid(24)]
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aapl_regressions = returns.linear_regression(
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target=returns_slice, regression_length=30,
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)
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@@ -797,7 +797,7 @@ class Factor(RestrictedDTypeMixin, ComputableTerm):
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This is equivalent to doing::
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aapl_regressions = RollingLinearRegressionOfReturns(
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target=Asset(24), returns_length=10, regression_length=30,
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target=sid(24), returns_length=10, regression_length=30,
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)
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See Also
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