klausuR-class: Class klausuR
In klausuR: Multiple Choice Test Evaluation

This class is used for objects that are returned by klausur.

results: A data.frame with global results
answ: A data.frame with all given answers
corr: A vector with the correct answers
wght: A vector with the weights of items
points: A data.frame with resulting points given for the answers
marks: A vector with assignments of marks to achieved score
marks.sum: A more convenient matrix with summary information on the defined marks
trfls: A data.frame of TRUE/FALSE values, whether a subject was able to solve an item or not
anon: A data.frame for anonymous feedback
mean: A table with mean, median and quartiles of the test results
sd: Standard deviation of the test results
cronbach: Internal consistency, a list of three elements "alpha", "ci" (confidence interval 95%) and "deleted" (alpha if item was removed)
item.analysis: A data.frame with information on difficulty, discriminant power, discriminant factor and selection index of all items.
distractor.analysis: A list with information on the selected answer alternatives for each individual item.
test: Currently an empty placeholder. Planned to hold the actual test items in future releases.
misc: Anything that was stored in the misc slot of the input data.