A multi-index (also known as a hierarchical index) allows the manipulation of higher-dimensional data in a 2-dimensional tabular structure.
I have the following pandas dataframe: dfalph.head() token year uses books 386 xanthos 1830 3 3 387 xanthos 1840 1 1 388 xanthos 1840 2 2 389 xanthos 1868 2 2 390 xanthos 1875 1 1 I aggregate the …
python pandas pandas-groupby multi-indexI'm not sure of how to do this without chained assignments (which probably wouldn't work anyways because I'd be setting …
python pandas multi-indexI would like to add a column to the second level of a multiindex column dataframe. In [151]: df Out[151]: first …
pandas multi-indexDoes anyone know if it is possible to use the DataFrame.loc method to select from a MultiIndex? I have …
python pandas dataframe multi-indexI have data with a time-stamp in UTC. I'd like to convert the timezone of this timestamp to 'US/Pacific' …
python timezone dataframe pandas multi-indexI was going through the documentation about the hierarchical indexing in Pandas. I tried testing the examples from it to …
python python-3.x pandas dataframe multi-indexOk so I have a dataframe which contains timeseries data that has a multiline index for each columns. Here is …
python pandas dataframe pandas-groupby multi-indexWhat are the most common pandas ways to select/filter rows of a dataframe whose index is a MultiIndex? Slicing …
python pandas dataframe slice multi-indexBelow is my dataframe. I made some transformations to create the category column and dropped the original column it was …
python pandas dataframe pandas-groupby multi-indexI have a dataframe, grouped, with multiindex columns as below: import pandas as pd codes = ["one","two","three"]; colours = ["black", "…
python pandas multi-index