The subset function is available in base R and can be used to return subsets of a vector, martix, or data frame which meet a particular condition. In my three years of using R, I have repeatedly used the subset() function and believe that it is the most useful tool ... [Read more...]

Here are a few more plotting options for boxplots: Let’s start plotting the full set plot(b$mod, b$x) Plot labels for a subset in full set plot (label all points x __ -1) text(subset(b$mod, b$x __ -1), subset(b$x, b$x __ -1), … Continue reading → [Read more...]

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