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ggplot2 is an enhanced plotting library for R based upon the principles of "The Grammar of Graphics". Use this tag for *on topic* questions that (a) involve `ggplot2` as a critical part of the question &/or expected answer, & (b) are not just about how to use `ggplot2`.

1 vote
1 answer
10k views

Plotting a boxplot against multiple factors in R with ggplot2

(That is, what's the ggplot2 equivalent of the boxplot command above?) … As a second part to the question, how would I generate a separate chart using ggplot2 that displays the boxplot overlaid with a plot of the raw data points within each condition? …
psychemedia's user avatar
0 votes
1 answer
2k views

Can I Use a Dummy Variable in Quadratic form in lm() in R?

As an extension of this question, with ggplot2, I can chart the individual name model results using: g = ggplot(egastdata, aes(x=age,y=pos,col=name)) g = g + stat_smooth(method = "lm", formula = y ~ I …
psychemedia's user avatar
12 votes
3 answers
27k views

How to compare two datasets with Q-Q plot using ggplot2?

plotting packages, but I can't see how to do a qqplot in ggplot2 to compare two datasets. … So my question, what is the ggplot2 equivalent of something like: qqplot(datset1,dataset2) …
psychemedia's user avatar