docs: Add confusion_matrix() (#2319)

Author: auguste-probabl

sphinx/reference/report/comparison_report.rst

@@ -48,14 +48,19 @@ get the common performance metric representations.
 
     ComparisonReport.metrics.help
     ComparisonReport.metrics.summarize
-    ComparisonReport.metrics.custom_metric
+
     ComparisonReport.metrics.accuracy
     ComparisonReport.metrics.brier_score
+    ComparisonReport.metrics.confusion_matrix
+    ComparisonReport.metrics.custom_metric
     ComparisonReport.metrics.log_loss
     ComparisonReport.metrics.precision
+    ComparisonReport.metrics.precision_recall
+    ComparisonReport.metrics.prediction_error
     ComparisonReport.metrics.r2
     ComparisonReport.metrics.recall
     ComparisonReport.metrics.rmse
+    ComparisonReport.metrics.roc
     ComparisonReport.metrics.roc_auc
     ComparisonReport.metrics.timings
 

sphinx/reference/report/cross_validation_report.rst

@@ -66,9 +66,11 @@ estimator across cross-validation splits.
 
     CrossValidationReport.metrics.help
     CrossValidationReport.metrics.summarize
-    CrossValidationReport.metrics.custom_metric
+
     CrossValidationReport.metrics.accuracy
     CrossValidationReport.metrics.brier_score
+    CrossValidationReport.metrics.confusion_matrix
+    CrossValidationReport.metrics.custom_metric
     CrossValidationReport.metrics.log_loss
     CrossValidationReport.metrics.precision
     CrossValidationReport.metrics.precision_recall

sphinx/reference/report/estimator_report.rst

@@ -63,10 +63,11 @@ estimator.
 
     EstimatorReport.metrics.help
     EstimatorReport.metrics.summarize
-    EstimatorReport.metrics.custom_metric
-    EstimatorReport.metrics.timings
+
     EstimatorReport.metrics.accuracy
     EstimatorReport.metrics.brier_score
+    EstimatorReport.metrics.confusion_matrix
+    EstimatorReport.metrics.custom_metric
     EstimatorReport.metrics.log_loss
     EstimatorReport.metrics.precision
     EstimatorReport.metrics.precision_recall
@@ -76,6 +77,7 @@ estimator.
     EstimatorReport.metrics.rmse
     EstimatorReport.metrics.roc
     EstimatorReport.metrics.roc_auc
+    EstimatorReport.metrics.timings
 
 Inspection
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