code: def plot(
      values, orientation, labels=None, sort=True, error=None, ax=None
  ):
      if orientation == "horizontal":
          return horizontal(values, labels, sort, error, ax)
      else:
          return vertical(values, labels, sort, error, ax)
  
file_path: sklearn-evaluation/src/sklearn_evaluation/plot/matplotlib/bar.py
imports: import numpy
  import matplotlib.pyplot
  from sklearn_evaluation.plot.matplotlib.data_grid import DataGrid
  from sklearn_evaluation.plot.util import set_default_ax
label_desc: Use image node_id 1 for calling a global function with example usage: plot(values, orientation, labels, sort, error, ax) and returns: horizontal, vertical