code: def coords_by_cutoff(self, cutoff=0.80):
          
  
          i = np.where(self.cve >= cutoff)[0][0]
          coords_matrix = self.vecs[:, :i + 1]
          return coords_matrix, self.cve[i]
docs: Returns fitted coordinates in as many dimensions as are needed to
          explain a given amount of variance (specified in the cutoff)