code: def predict(self, x):
      # This is awful and needs to be fixed. To do: fix.
      return np.array([self.output]).T * self.direction
  
file_path: scattertext/scattertext/smoothing/mean_isotonic.py
imports: import pandas
  import numpy
  from scipy.stats import pearsonr
  from sklearn.isotonic import IsotonicRegression
label_desc: Use image node_id 3 for calling the MeanIsotonic obj's underlying member method code with example usage: obj.predict(x) and returns: unknown