Description Usage Arguments Value Author(s)
Gives the correct percentage, count, mean, standard deviation, minimum, median, maximum, and the number of NA's by different levels.
1 | summaryLevel(QS, QSS, CSS = NULL)
|
QS |
a data frame of question scores. First object of
the output from function |
QSS |
a list. First object of the output from function
|
CSS |
a list. Second object of the output from function
|
a list of two or three objects (when CSS
is not NULL).
The first two objects are the summaries by question,
and by question set. The optional third output is the
summary by learning outcome.
Xiaoyue Cheng <xycheng@iastate.edu>
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