LearnerComparisonExperiment.evaluate(BatchLearner<? super Collection<? extends FoldDataType>,? extends LearnedType> learner1,
BatchLearner<? super Collection<? extends FoldDataType>,? extends LearnedType> learner2,
Collection<? extends InputDataType> data)
Evaluates the two batch learners using the given data on the same set of
validation folds and returns the resulting information including the
confidence statistic that the two are different along with the summary
of their performance.