Check proportion difference arguments — check_diff_prop

Verifies that and/or convert arguments into valid values to be used in the estimation of difference in responder proportions.

Usage

check_diff_prop_ci(rsp, grp, strata = NULL, conf_level, correct = NULL)

Arguments

rsp: (logical)
vector indicating whether each subject is a responder or not.
grp: (factor)
vector assigning observations to one out of two groups (e.g. reference and treatment group).
strata: (factor)
variable with one level per stratum and same length as rsp.
conf_level: (proportion)
confidence level of the interval.
correct: (flag)
whether to include the continuity correction. For further information, see stats::prop.test().

Examples

# example code
## "Mid" case: 4/4 respond in group A, 1/2 respond in group B.
nex <- 100 # Number of example rows
dta <- data.frame(
  "rsp" = sample(c(TRUE, FALSE), nex, TRUE),
  "grp" = sample(c("A", "B"), nex, TRUE),
  "f1" = sample(c("a1", "a2"), nex, TRUE),
  "f2" = sample(c("x", "y", "z"), nex, TRUE),
  stringsAsFactors = TRUE
)
check_diff_prop_ci(rsp = dta[["rsp"]], grp = dta[["grp"]], conf_level = 0.95)