This data set contains observations from a randomized response survey conducted in a university to investigate the use of instant messaging.
The sample is drawn by stratified sampling by academic year.
The randomized response technique used is the Devore model (Devore, 1977) with parameter
DevoreData
A data frame containing 240 observations divided into four strata. The sample is selected from a population of
ID: Survey ID of student respondent
ST: Strata ID
z: The randomized response to the question: Do you use whatsapp / line or similar instant messaging while you study?
Pi: first-order inclusion probabilities
Devore, J.L. (1977). A note on the randomized response technique. Communications in Statistics Theory and Methods 6: 1525-1529.
# NOT RUN {
data(DevoreData)
# }
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