yasc.scorecard.rocplot¶

yasc.scorecard.rocplot(y_true, y_preds, equal_aspect=False)¶

Plot a ROC curve.

Parameters

y_truearray, shape=[n_samples]

True binary labels.

y_predsarray, shape=[n_samples]

Predicted probability estimates of the positive class.

equal_aspectbool, optional

Whether to make the aspect equal. Defaults to False.

Returns

roc_aucfloat

Returns area under the curve.

axmatplotlib.axes.Axes

Returns axes object with the plot drawn onto it.

Examples

>>> from yasc.scorecard.util import rocplot
>>> import numpy as np
>>> np.random.seed(0)
>>> preds = np.random.rand(1000)
>>> labels = np.random.choice(2, 1000)
>>> rocplot(labels, preds)