`dataFrame.column.decode — base64()`

Description

The base64() method of the decode object returns the values of the selected column decoded from Base64 encoding.

Signature

dataFrame.column(columnName).decode.base64()

Scope: dataFrame
Family: decode
Returns: mask

Argument

columnName (string): The name of the column from which to decode values.

Returns

mask (array): An array containing the decoded values.

Example

// get decoded values from one column of the dataFrame
var mask = dataFrame.column('values').decode.base64();

// add decoded values to the dataFrame
dataFrame.column('values').set(mask);