Real-life data set containing the responses to a test,
before they have been recoded as true or false. Can be
used with only two functions in the package: sco
and npp
. All other functions expect binary data,
which can be produced with sco
.
A data set with 472 persons and 18 items. Each item has 4 possible answers, of which only one is true. There are many NA, which can be treated as wrong responses.
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