nctoolkit.DataSet.assign

DataSet.assign(self, drop=False, \*\*kwargs)

Create new variables Existing columns that are re-assigned will be overwritten.

Parameters

• drop (bool) –

  Set to True if you want existing variables to be removed once the new ones have been created. Defaults to False.

  should evaluate to a numeric. New variables are calculated for each grid cell and time step.

• **kwargs (dict of {str: callable}) – New variable names are keywords. All terms in the equation given by the lamda function should evaluate to a numeric. New variables are calculated for each grid cell and time step.

Notes

Operations are carried out in the order give. So if a new variable is created in the first argument, it can then be used in following arguments.