Summary
pandas-indexing is a helpers package to make interacting with pandas multi-indices less painful. It contains functions, that
filter easily into multi indices: isin, ismatch
add or update levels in a multiindex: assignlevel
select one or multiple specific levels: projectlevel
Usage
Given you have a time-series like dataframe with several multi index levels, like model, scenario, variable: then you can select a subset with:
df.loc[isin(model="m1", scenario=["s1", "s2"])]or with shell like glob-patterns:
df.loc[
ismatch(
model="REMIND*", variable="Emissions|**", unit=["Mt CO2/yr", "kt N2O/yr"]
)
]You can overwrite index levels:
assignlevel(df, selected=1)or project your data to only a few desired index levels:
projectlevel(df, ["model", "scenario"])All commands are described in detail in the API reference in documentation and are togehter with introductions for installing and using this package, but they are mostly bare-bones atm.
Issues and Discussions
As usual for any GitHub-based project, raise an issue if you find any bug or want to suggest an improvement, or open a discussion if you want to discuss.
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