def preprocess(args, X, T):
pre = Preprocessor()
X_normal = X
if args.pre == 'pca':
logging.info('Preprocess with PCA(d = %d)' % args.deg)
X_phi = pre.pca(X_normal, args.deg)
elif args.pre == 'lda':
logging.info('Preprocess with LDA(d = %d)' % args.deg)
X_phi = pre.lda(X_normal, T, args.deg)
return X_phi, pre
