class_docstr: The MovieLens 100K data set.  This older data set is in a different format from
  the more current data sets loaded by :class:`MovieLens`.
class_docstr_tok: ["The","MovieLens","100K","data","set",".","This","older","data","set","is","in","a","different","format","from","the","more","current","data","sets","loaded","by",":","class",":","`","MovieLens","`","."]
code: def __init__(self, path="data/ml-100k"):
      self.path = Path(path)
  
imports: import os.path
  from pathlib import Path
  import logging
  import pandas
  import numpy
  from lenskit.util import cached
label_desc: Use image node_id 1 to create a new ML100K object  with example: obj = ML100K(path)