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Table.fill_nothing

fill_nothingcolumnsdefaulterror_on_missing_columns

Group: Values
Aliases: fill missing, if_nothing

Documentation

Returns a new table where missing values in the specified columns 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 missing 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 missing values will be replaced with the previous value in the column. Note that the first rows may stay Nothing 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 missing values in two columns with the value 20.5.

      fill_nothing = table.fill_nothing ["col0", "col1"] 20.5