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In ComparisonReport, it is quite common to represent the trade-off between two metrics. Usually, we will be interested in the Pareto front in this plot.

Such example is:

Since it is usually related to metrics, it looks like this should be a plot available under the MetricSummaryDisplay.

It is important to not that this issue should be tackled into two different PRs:

• one to implement the plot for comparison between EstimatorReports
• another to implement the plot for comparison between CrossValidationReports