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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def row_standard_coordinates(self, X):
 """Returns the row standard coordinates. The row standard coordinates are obtained by dividing each row principal coordinate by it's associated eigenvalue. """

        utils.validation.check_is_fitted(self, 's_')
        return self.row_coordinates(X).div(self.eigenvalues_, axis='columns')