Exemple #1
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def bootstrap_ttest_multi(bfg, tails='two'):
    st = []
    for d1 in bfg:
        for d2 in bfg:
            diff = bfg[d1] - bfg[d2]
            pct = scipy.stats.percentileofscore(diff, 0, kind='mean') / 100.
            p = min(pct, 1 - pct)
            if tails == 'two': p *= 2
            star = stats.get_star(p)
            st.append([d1, d2, np.mean(diff), p, star])
    st = pandas.DataFrame(st, columns=['var1', 'var2', 'mean', 'p', 'sig'])
    return st
Exemple #2
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def bootstrap_ttest_multi(bfg, tails='two'):
    st = []
    for d1 in bfg:
        for d2 in bfg:
            diff = bfg[d1] - bfg[d2]
            pct = scipy.stats.percentileofscore(diff, 0, kind='mean') / 100.
            p = min(pct, 1-pct)
            if tails == 'two': p *= 2
            star = stats.get_star(p)
            st.append([d1, d2, np.mean(diff), p, star])
    st = pandas.DataFrame(st, columns=['var1', 'var2', 'mean', 'p', 'sig'])
    return st
Exemple #3
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 def bootstrap_ttest_grouped(self, bf, tails="one"):
     bfg = bf.groupby(["depth", "iter"]).mean()
     bfg = bfg.unstack(level="depth").bootstrap
     st = []
     for nd1, d1 in enumerate(bfg):
         for d2 in bfg.iloc[:, nd1 + 1 :]:
             diff = np.squeeze(bfg[d1].values - bfg[d2].values)
             pct = scipy.stats.percentileofscore(diff, 0, kind="mean") / 100.0
             p = min(pct, 1 - pct)
             if tails == "two":
                 p *= 2
             star = stats.get_star(p)
             st.append([d1, d2, np.mean(diff), p, star])
     st = pandas.DataFrame(st, columns=["depth1", "depth2", "mean", "p", "sig"])
     print(st)
     return st
Exemple #4
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 def bootstrap_ttest_grouped(self, bf, tails='one'):
     bfg = bf.groupby(['depth', 'iter']).mean()
     bfg = bfg.unstack(level='depth').bootstrap
     st = []
     for nd1, d1 in enumerate(bfg):
         for d2 in bfg.iloc[:, nd1 + 1:]:
             diff = np.squeeze(bfg[d1].values - bfg[d2].values)
             pct = scipy.stats.percentileofscore(diff, 0,
                                                 kind='mean') / 100.
             p = min(pct, 1 - pct)
             if tails == 'two': p *= 2
             star = stats.get_star(p)
             st.append([d1, d2, np.mean(diff), p, star])
     st = pandas.DataFrame(st,
                           columns=['depth1', 'depth2', 'mean', 'p', 'sig'])
     print(st)
     return st