Return a new variable with given set of dimensions.
This method might be used to attach new dimension(s) to variable.
When possible, this operation does not copy this variable’s data.
- Parameters
dim (str
or sequence of str
or dict
) – Dimensions to include on the new variable. If a dict, values are
used to provide the sizes of new dimensions; otherwise, new
dimensions are inserted with length 1.
- Returns
Variable