PYTHON PROGRAMMING: PANDAS ACROSS EXAMPLES by CESAR PEREZ LOPEZ

Author:CESAR PEREZ LOPEZ
Language: spa
Format: epub
Tags: Plantilla normativas edición RA-MA, docId:C971A773C129E7C27365B08329FF7078
Publisher: CESAR PEREZ

Aggregating with a dictionary

Passing a dictionary of column names to a scalar or a list of DataFrame.agg scalars allows you to customise which functions apply to which columns. Note that the results are not in any particular order, you can use an in your OrderedDictlugar to guarantee the order.

Passing a similar list will generate a DataFrame output. You will get an array-like output of all aggregators. The output will consist of all unique functions. Those that are not annotated for a particular column will be NaN:

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