predict the gender and age of users based on their ratings on movies.perform 10-fold cross validation. In each fold, users.datx(x=0,…,9) is used for test, and all other users. datxare used for training. You can use movies.dat and ratings.dat in both training and test and in whatever way

code_3\cross_validation.m
......\main.m
......\movies.mat
......\predict.m
......\ratings.mat
......\users.mat
code_3

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