getml.preprocessors

Contains routines for preprocessing data frames.

Classes

EmailDomain()

EmailDomain extracts the domain from e-mail addresses.

Imputation([add_dummies])

Imputation replaces all NULL values in numerical columns with the mean of the remaining columns.

Seasonal()

Seasonal extracts seasonal data from time stamps.

Substring(begin, length, unit)

Substring extracts substrings from categorical columns and unused string columns.