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VRA Results Tests

Voter Power Indexes

Vote Power Index provides tools to run both Banzhaf Power Index and Shapley–Shubik Index to analyse 2 party poltical geographies like US Congresstional Districts to see if the reapproation process maintained Mintorities communties to elect their candidate of choice

Usage

 power_index(df, OtherPopCol, TargetPopCol, Party1, Party2, vIndex=None, filename=None)

Parameters

df - Pandas Dataframe

OtherPopCol - Majority community

TargetPopCol - Minority community

OtherParty - None colitlition party of choice

ColilitionParty - Colitlition party of choice

vIndex (ssi/bpi/none):

  • None both indexes
  • ssi Shapley–Shubik Index
  • bpi Banzhaf Power Inde

filename - optional

Racial Block Voting Tools

Homogeneous Precinct Analysis

 Homogeneous_Precinct(df, MajorityPopCol, MinorityPopCol, TotalPopCol, MajorityParty, MinorityParty)

Ecological Regression Analysis

 Ecological_Regression(df, TotalPopCol, MinorityPopCol, MajorityParty, MinorityParty)

df - pandas Dataframe

MajorityPopCol - Column name for column that has Majority population

MinorityPopCol - Column name for column that has Minority population

TotalPopCol - Column name for column that has Total population

MajorityParty - Column name for column that has Majority Vote

MinorityParty - Column name for column that has Minority Vote

Metadata

Release files for VRAresultsTest 0.1.0

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