plyr not loaded prior to using ddply in plot bar w/ percents

[mjsobrep]

when plot.percents=TRUE I get error: Error in ddply(results[results$value > 0, ], .(Item), transform, pos = cumsum(value) - : could not find function "ddply"

This is coming from here, I think just putting plyr::ddply in there would fix the problem: https://github.com/jbryer/likert/blob/a7cb925596dd67977a15d9912e3c4783467e8c1e/R/plot.likert.bar.r#L299

[kidwellj]

This is just to say that @mjsobrep is absolutely right. I've just made those changes to a cloned repo, and used that in place of the official dev release of the library and it resolves the issue. See here: https://github.com/jbryer/likert/compare/master...kidwellj:likert:master