def splitData(X,Y,rate):
  X_train = X[int(X.shape[0]*rate):]
  Y_train = Y[int(Y.shape[0]*rate):]
  X_val = X[:int(X.shape[0]*rate)]
  Y_val = Y[:int(Y.shape[0]*rate)]
  return X_train, Y_train, X_val, Y_val