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Table.fill_empty

fill_emptycolumnsdefaulterror_on_missing_columns

Group: Values
Aliases: fill empty, if_empty

Documentation

Returns a new column where empty Text values have been replaced with the provided default(s).

Arguments

  • columns: Specifies columns by a name, index or regular expression to match names, or a Vector of these.
  • default: The value to replace empty values with. If this argument is a column, the value from default at the corresponding position will be used. If this argument is Previous_Value, the empty values will be replaced with the previous value in the column. Note that the first rows may stay empty if they do not have a previous value to use.
  • error_on_missing_columns: If True, an error is raised if any of the specified columns are not found in the table. If False, missing columns are ignored.

Examples

Fill empty values in two columns with the value "hello".

      fill_empty = table.fill_empty ["col0", "col1"] "hello"