ss_fm: sample size calcukation for difference in binomial...

View source: R/ss_fm.R

ss_fmR Documentation

sample size calcukation for difference in binomial proportions

Description

sample size calcukation for difference in binomial proportions using Farrington-Manning method

Usage

ss_fm(alpha, power, pc, pt, m2, pc_r, pt_r)

Arguments

alpha

numeric, desired alpha level (one-sided)

power

numeric, desirerd power level

pc

numeric, assumed proportion of events in group 'c'

pt

numeric, assumed proportion of events in group 't'

m2

numerric, pre-specified margin

pc_r

numeric, restricted under the null proportion of events in group 'c'

pt_r

numeric, restricted under the null proportion of events in group 't't

Details

function returns sample size per group assumimg 1:1 allocation ratio

Value

numeric

See Also

Normal

Examples

ss_fm(0.025, 0.8, 0.8, 0.8, 0.1, 0.78, 0.78 - 0.1)

yuliasidi/m2imp documentation built on Jan. 16, 2024, 3:59 a.m.