The Gamma distribution
We provide convenient extensions of the [dpq]gamma
functions, which allow
the distribution to be specified in terms of its mean and standard deviation,
instead of shape and rate/scale.
qgamma( p, shape, rate = 1, scale = 1/rate, lower.tail = TRUE, log.p = FALSE, mean, sd ) dgamma(x, shape, rate = 1, scale = 1/rate, log = FALSE, mean, sd) pgamma( q, shape, rate = 1, scale = 1/rate, lower.tail = TRUE, log.p = FALSE, mean, sd )
p |
vector of probabilities |
shape, rate, scale, log, lower.tail, log.p |
see stats::GammaDist |
mean, sd |
mean and standard deviation, overriding |
x, q |
vector of quantiles |
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