Blog Archives

Reshape Package in R: Long Data format, to Wide, back to Long again

May 16, 2011
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Reshape Package in R: Long Data format, to Wide, back to Long again

In this post, I describe how to use the reshape package to modify a dataframe from a long data format, to a wide format, and then back to a long format again. It’ll be an epic journey; some of us may not survive (especially me!). Wide versus Long Data Formats I’ll begin by describing what

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One-way ANOVAs in R – including post-hocs/t-tests and graphs

May 11, 2011
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One-way ANOVAs in R – including post-hocs/t-tests and graphs

In this post, I go over the basics of running an ANOVA using R. The dataset I’ll be examining comes from this website, and I’ve discussed it previously (starting here and then here). I’ve not seen many examples where someone runs through the … Continue reading →

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