code: def base_features():
      ''' Returns dictionary of some basic features that can be calculated for segmented time
      series data '''
      features = {'mean': mean,
                  'median': median,
                  'abs_energy': abs_energy,
                  'std': std,
                  'var': var,
                  'min': minimum,
                  'max': maximum,
                  'skew': skew,
                  'kurt': kurt,
                  'mse': mse,
                  'mnx': mean_crossings}
      return featuref base_features():
      ''' Returns dictionary of some basic features that can be calculated for segmented time
      series data '''
      features = {'mean': mean,
                  'median': median,
                  'abs_energy': abs_energy,
                  'std': std,
                  'var': var,
                  'min': minimum,
                  'max': maximum,
                  'skew': skew,
                  'kurt': kurt,
                  'mse': mse,
                  'mnx': mean_crossings}
      return features
docs: Returns dictionary of some basic features that can be calculated for segmented time
      series data