xarray.CFTimeIndex.map#
- CFTimeIndex.map(mapper, na_action=None)[source]#
Map values using an input mapping or function.
- Parameters:
- Returns:
Union[Index
,MultiIndex]
– The output of the mapping function applied to the index. If the function returns a tuple with more than one element a MultiIndex will be returned.
Examples
>>> idx = pd.Index([1, 2, 3]) >>> idx.map({1: 'a', 2: 'b', 3: 'c'}) Index(['a', 'b', 'c'], dtype='object')
Using map with a function:
>>> idx = pd.Index([1, 2, 3]) >>> idx.map('I am a {}'.format) Index(['I am a 1', 'I am a 2', 'I am a 3'], dtype='object')
>>> idx = pd.Index(['a', 'b', 'c']) >>> idx.map(lambda x: x.upper()) Index(['A', 'B', 'C'], dtype='object')