Computation of confidence intervals for binomial proportions and for difference of binomial proportions.
Project description
Confidence Intervals for Difference of Binomial Proportions
Computation of confidence intervals for binomial proportions and for difference of binomial proportions.
References
NOTE
Reference 1 has errors in the description of the methods Wilson CC
, Mee
, Miettinen-Nurminen
.
The correct computation of Wilson CC
is given in Reference 5.
The correct computation of Mee
, Miettinen-Nurminen
are given in the code blocks in Reference 1
Test data
Test data are
-
taken from Reference 1 for automatic test of the correctness of the implementation of the algorithms.
-
generated using DescTools.StatsAndCIs via
library("DescTools") library("data.table") results = data.table() for (m in c("wilson", "wald", "waldcc", "agresti-coull", "jeffreys", "modified wilson", "wilsoncc","modified jeffreys", "clopper-pearson", "arcsine", "logit", "witting", "pratt", "midp", "lik", "blaker")){ ci = BinomCI(84,101,method = m) new_row = data.table("method" = m, "ratio"=ci[1], "lower_bound" = ci[2], "upper_bound" = ci[3]) results = rbindlist(list(results, new_row)) } fwrite(results, "./test/test-data/example-84-101.csv") # with manual slight adjustment of method names
The filenames has the following pattern:
# for computing confidence interval for difference of binomial proportions
"example-(?P<n_positive>[\\d]+)-(?P<n_total>[\\d]+)-vs-(?P<ref_positive>[\\d]+)-(?P<ref_total>[\\d]+)\\.csv"
# for computing confidence interval for binomial proportions
"example-(?P<n_positive>[\\d]+)-(?P<n_total>[\\d]+)\\.csv"
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