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In Chapter 5 of Using R for Introductory Statistics we get a brief introduction to probability and, as part of that, a few common probability distributions. Specifically, the normal, binomial, exponential and lognormal distributions make an appearance.For each distribution, R provides four functions whose names start with the letters d, p, q or r followed by...

R, like all good programming languages, treats functions as first class objects. Users can create functions, pass them as arguments, and have them returned as the result of other computations. You may be familiar with passing functions as arguments if you have used the apply family of functions (i.e. apply, sapply, lapply, mapply). For example, to get get...

Executive summary: Extremely useful for new users, informative to even quite seasoned users. Refereeing Once upon a time a publisher asked if I would referee a book (unspecified) about R. In an instance that can only be described as psychotic I said yes. That bit of insanity turned out to be a good thing. I … Continue reading...