<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def transform(self, X, y=None):
 """Generate the random hidden layer's activations given X as input. Parameters X : {array-like, sparse matrix}, shape [n_samples, n_features] Data to transform y : is not used: placeholder to allow for usage in a Pipeline. Returns ------- X_new : numpy array of shape [n_samples, n_components] """


        if (self.components_ is None):
            raise ValueError('No components initialized')

        return self._compute_hidden_activations(X)