docstr: Fit the training data to FeatureSelector
  
  Paramters
  ---------
  X : array-like numpy matrix
      The training input samples, which shape is [n_samples, n_features].
  y: array-like numpy matrix
      The target values (class labels in classification, real numbers in
      regression). Which shape is [n_samples].
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code: def fit(self, X, y, **kwargs):
      """
      Fit the training data to FeatureSelector
  
      Paramters
      ---------
      X : array-like numpy matrix
          The training input samples, which shape is [n_samples, n_features].
      y: array-like numpy matrix
          The target values (class labels in classification, real numbers in
          regression). Which shape is [n_samples].
      """
      self.X = X
      self.y = y
  
imports: import logging
label_desc: Use image node_id 2 for calling the FeatureSelector obj's underlying member method code with example usage: obj.fit(X, y) without return types