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Remove depr. res from plot_decision_regions #803

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Mar 6, 2021
Merged

Remove depr. res from plot_decision_regions #803

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1 change: 1 addition & 0 deletions docs/sources/CHANGELOG.md
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Original file line number Diff line number Diff line change
Expand Up @@ -22,6 +22,7 @@ The CHANGELOG for the current development version is available at
##### Changes

- Updates unit tests for scikit-learn 0.24.1 compatibility. ([#774](https://github.com/rasbt/mlxtend/pull/774))
- Removes deprecated `res` argument from `plot_decision_regions`. ([#803](https://github.com/rasbt/mlxtend/pull/803))

##### Bug Fixes

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15 changes: 0 additions & 15 deletions mlxtend/plotting/decision_regions.py
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Expand Up @@ -49,7 +49,6 @@ def plot_decision_regions(X, y, clf,
filler_feature_ranges=None,
ax=None,
X_highlight=None,
res=None,
zoom_factor=1.,
legend=1,
hide_spines=True,
Expand Down Expand Up @@ -93,13 +92,6 @@ def plot_decision_regions(X, y, clf,
one if ax=None.
X_highlight : array-like, shape = [n_samples, n_features] (default: None)
An array with data points that are used to highlight samples in `X`.
res : float or array-like, shape = (2,) (default: None)
This parameter was used to define the grid width,
but it has been deprecated in favor of
determining the number of points given the figure DPI and size
automatically for optimal results and computational efficiency.
To increase the resolution, it's is recommended to use to provide
a `dpi argument via matplotlib, e.g., `plt.figure(dpi=600)`.
zoom_factor : float (default: 1.0)
Controls the scale of the x- and y-axis of the decision plot.
hide_spines : bool (default: True)
Expand Down Expand Up @@ -135,13 +127,6 @@ def plot_decision_regions(X, y, clf,
if ax is None:
ax = plt.gca()

if res is not None:
warnings.warn("The 'res' parameter has been deprecated."
"To increase the resolution, it's is recommended"
"to use to provide a `dpi argument via matplotlib,"
"e.g., `plt.figure(dpi=600)`.",
DeprecationWarning)

plot_testdata = True
if not isinstance(X_highlight, np.ndarray):
if X_highlight is not None:
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