datatable.Namespace

class

datatable.

Namespace

sourcedoc

A namespace is an environment that provides lazy access to columns of a frame when performing computations within DT[i,j,...].

This class should not be instantiated directly, instead use the singleton instances f and g exported from the datatable module.

Special methods

__getattribute__(attr)	Access columns as attributes.
__getitem__(item)	Access columns by their names / indices.