transbigdata.id_reindex

transbigdata.id_reindex(data, col, new=False, timegap=None, timecol=None, suffix='_new', sample=None)

Renumber the ID columns of the data

Parameters:

  • data (DataFrame) – Data

  • col (str) – Name of the ID column to be re-indexed

  • new (bool) – False: the new number of the same ID will be the same index; True: according to the order of the table, the origin ID appears again with different index

  • timegap (number) – If an individual does not appear for a period of time (timegap is the time threshold), it is numbered as a new individual. This parameter should be set with timecol to take effect.

  • timecol (str) – The column name of time, it should be set with timegap to take effect

  • suffix (str) – The suffix of the new column. When set to False, the former column will be replaced

  • sample (int (optional)) – To desampling the data

Returns:

data1 – Renumbered data

Return type:

DataFrame