code: def list_dataset():
      """List available example datasets.
  
      Returns
      -------
      datasets : :py:class:`pandas.DataFrame`
          A dataframe with the name, description and reference of all the
          datasets included in Pingouin.
  
      Examples
      --------
  
      >>> import pingouin as pg
      >>> all_datasets = pg.list_dataset()
      >>> all_datasets.index.tolist()
      ['ancova',
       'anova',
       'anova2',
       'anova2_unbalanced',
       'anova3',
       'anova3_unbalanced',
       'blandaltman',
       'chi2_independence',
       'chi2_mcnemar',
       'circular',
       'cochran',
       'cronbach_alpha',
       'cronbach_wide_missing',
       'icc',
       'mediation',
       'mixed_anova',
       'mixed_anova_unbalanced',
       'multivariate',
       'pairwise_corr',
       'pairwise_tests',
       'pairwise_tests_missing',
       'partial_corr',
       'penguins',
       'rm_anova',
       'rm_anova_wide',
       'rm_anova2',
       'rm_corr',
       'rm_missing',
       'tips']
      """
      return dts.set_index("dataset")
  
imports: import pandas
  import os.path
  from pingouin.utils import print_table
label_desc: Use image node_id 2 for calling a global function with example usage: list_dataset() and returns: dts