dimensionality reduction is used to discriminate between the ___. which method would you use to train a classification model? what would you use to train a classification model? which is more useful classification technique what is the purpose of feature selection? what type of data does r classification use why use feature selection what is the purpose of the variable selection algorithm for classification what is the dimensionality reduction used for classification? which technique is used to classify a dataset? r. what is the difference between the automatic classification method and the automatic process? different techniques of classification why is variable selection necessary for classification what is a feature selection what is dimensionality reduction used for? what is variable selection in r which method is most helpful to classify data which technique is best for classifying a set of feature-rich histological images? what is the objective of variable selection when using the classification method using r what technique is used to classify data from the data obtained from the automatic classification process? how is dimensionality reduction used in r