polartoolkit.block_reduce#
- block_reduce(df, reduction, input_coord_names=('x', 'y'), input_data_names=None, **kwargs)[source]#
perform a block reduction of a dataframe.
- Parameters:
df (pandas.DataFrame) – data to block reduce
reduction (Callable) – function to use in reduction, e.g. np.mean
input_coord_names (tuple[str, str], optional) – strings of coordinate column names, by default (“x”, “y”) or (“easting”, “northing”)
input_data_names (Any | None, optional) – strings of data column names, by default None
kwargs (
Any)
- Returns:
a block-reduced dataframe
- Return type: