Esempio n. 1
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    avg_election_votes = np.array(avg_election_voteshares)

    total_dem_votes = np.array(total_dem_votes)
    total_rep_votes = np.array(total_rep_votes)
    dem_voteshares_elections = total_dem_votes / (total_dem_votes +
                                                  total_rep_votes)
    dem_voteshare = np.average(dem_voteshares_elections, axis=0)

    # ---- Partisan Fairness Metrics ----
    dem_voteshares = avg_election_votes[avg_election_votes > 0.5]
    rep_voteshares = avg_election_votes[avg_election_votes < 0.5]
    avg_dem_win = np.average(dem_voteshares)
    avg_rep_win = 1 - np.average(rep_voteshares)

    # EG assumes equal turnout -- gets a different result than gerrychain
    EG = gm.EG(avg_election_votes)

    partisan_bias = gm.partisan_bias(avg_election_votes)

    mean_median = gm.mean_median(avg_election_votes)

    avgactWins = subset_list(avg_election_votes, 0.5, 1)
    # ---- Competitiveness -----
    competitive_vote_shares = avg_election_dict
    avgactcomp = subset_list(avg_election_votes, comp_lower, comp_higher)

    # ---- Export to JSON ------

    plan = {
        "state": state,
        "planName": district_assignment_col,
Esempio n. 2
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# ---- Racial Fairness Metrics -----
num_vra_districts = prop_partition["num_vra_districts"]
num_opp_districts = prop_partition["num_opp_districts"]

# AVG Election vote shares
vote_shares = [
    np.array(sorted(prop_partition[election_names[i]].percents("Dem")))
    for i in range(num_elections)
]
avg_election = np.average(vote_shares, axis=0)

# ---- Partisan Fairness Metrics ----

# EG assumes equal turnout -- gets a different result than gerrychain
EG = gm.EG(avg_election)

partisan_bias = gm.partisan_bias(avg_election)

mean_median = gm.mean_median(avg_election)

# ---- Competitiveness -----
competitive_vote_shares = avg_election

# ---- Export to JSON ------

chain_obj = {
    "numDists": num_dist,
    "countySplits": num_county_splits,
    "lowerBoundCountySplits": lower_county,
    "upperBoundCountySplits": upper_county,