Articles by Chris Wetherill

Two-Way ANOVA with Repeated Measures

August 18, 2015 | Chris Wetherill

NOTE: This post only contains information on repeated measures ANOVAs, and not how to conduct a comparable analysis using a linear mixed model. For that, be on the lookout for an upcoming post! When I was studying psychology as an undergraduate, one of my biggest frustrations with R was the ...
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Building Barplots with Error Bars

August 17, 2015 | Chris Wetherill

Bar charts are a pretty common way to represent data visually, but constructing them isn’t always the most intuitive thing in the world. One way that we can construct these graphs is using R’s default packages. Barplots using base R Let’s start by viewing our dataframe: here ... [Read more...]

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