After some delay, we are happy to finally get version 1.1 of the
likert package on CRAN. Although labeled 1.1, this is actually the first version of the package released to CRAN. After receiving some wonderful feedback from useR! this year, we held back releasing until we implemented many of the feature suggestions. The NEWS file details most of what is in this release, but here are some highlights:
xtablepackage. See the
likert-xtablevignette for sample output.
There are four demos available:
likert- Shows most of the features of the package using data from the Programme of International Student Assessment (PISA).
PreSummarized- Currently only in the development version Shows how to use the
likertfunction with pre-summarized data.
RecodeFactors- Shows how to recode factors. Useful for setting up your data before calling
UnusedLevels- This demo shows how to address the “All items (columns) must have the same number of levels” error that occurs when the items passed to
likertdo not have the same number of levels.
The useR! 2013 slides can be downloaded from Github as well as the abstract. More documentation is available at http://jason.bryer.org/likert and be sure to request feature requests or bug reports on the Github page at https://github.com/jbryer/likert
The package is hosted on Github at [http://github.com/jbryer/likert]. You can always download the latest development version using
We have already started work on version 1.2 which will include:
summaryparameter on the
demo(PreSummarized)for more details).
likertpackage and to work with your own data.
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