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avoid failure of plot_feature_outlier_image #774

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Merged
merged 5 commits into from
Apr 24, 2023
Merged

avoid failure of plot_feature_outlier_image #774

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dc0eb26
avoid failure of plot_feature_outlier_image
signupatgmx Apr 19, 2023
170109a
remove whitespace in blank line
signupatgmx Apr 20, 2023
3c442a6
Add warning message to plot_feature_outlier_image
mauicv Apr 24, 2023
ef8afe8
Add missing warnings import
mauicv Apr 24, 2023
d98f9af
Remove stacklevel from warning
mauicv Apr 24, 2023
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6 changes: 6 additions & 0 deletions alibi_detect/utils/visualize.py
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Original file line number Diff line number Diff line change
Expand Up @@ -3,6 +3,7 @@
import pandas as pd
from sklearn.metrics import roc_curve, auc
from typing import Dict, Union
import warnings


def plot_instance_score(preds: Dict,
Expand Down Expand Up @@ -77,6 +78,11 @@ def plot_feature_outlier_image(od_preds: Dict,
instance_ids = list(range(len(od_preds['data']['is_outlier'])))
n_instances = min(max_instances, len(instance_ids))
instance_ids = instance_ids[:n_instances]

if outliers_only and n_instances == 0:
warnings.warn('No outliers found!', UserWarning)
return

n_cols = 2

if n_channels == 3:
Expand Down