dropout: Calculates at which questions repondents drop out.
Description
The number of respondents for each question is calculated
as the length of the vector, after omitting NA values.
Usage
dropout(x, summary = TRUE)
Arguments
x
surveydata object, list or data.frame
summary
If TRUE, returns a shortened vector that
contains only the points where respondents drop out.
Otherwise, returns the number of respondents for each
question.