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I would like to get 20 randomly generated numbers from a lognormal distribution with the geometric mean of 10 and geometric standard deviation of 2.5.
Which R function should I use to accomplish this task?
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The rlnorm function:
rlnorm(20, log(10), log(2.5))
More generally distributions in R are generally available in d(ensity),p(robability),q(uantile),r(andom) forms with those letters coming first followed by the particular distribution stem: norm, lnorm, unif, gamma, ... etc. Their help pages will contain the specifics of the parameters, which can be essential if working with weibull or other distribution for which conventions are not completely standardized (as it were).
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