#NEWLINE# def fit( self , X , y = None ) : #NEWLINE# #INDENT# 'Compute the mean and std to be used for later scaling.\n\n        Parameters\n        ----------\n        X : {array-like, sparse matrix}, shape [n_samples, n_features]\n            The data used to compute the mean and standard deviation\n            used for later scaling along the features axis.\n\n        y: Passthrough for ``Pipeline`` compatibility.\n        ' #NEWLINE# self . _reset ( ) #NEWLINE# return self . partial_fit ( X , y )