Density, distribution function, quantile function, hazard function,
cumulative hazard function, and random generation for the Lognormal distribution
with parameters shape and scale.
hlnorm(x, meanlog = 0, sdlog = 1, shape = 1 / sdlog, scale = exp(meanlog),
prop = 1, log = FALSE)
Hlnorm(x, meanlog = 0, sdlog = 1, shape = 1 / sdlog, scale = exp(meanlog),
prop = 1, log.p = FALSE)dlnorm gives the density, plnorm gives the distribution
function, qlnorm gives the quantile function, hlnorm gives the
hazard function, Hlnorm gives the cumulative hazard function, and
rlnorm generates random deviates.
Invalid arguments will result in return value NaN, with a warning.
vector of quantiles.
mean in the Normal distribution.
sdlog is standard deviation in the Normal distrimution, shape = 1/sdlog.
is exp(meanlog).
proportionality constant in the extended Lognormal distribution.
logical; if TRUE, probabilities p are given as log(p).
The Lognormal distribution with scale parameter \(a\) and shape
parameter \(\sigma\) has hazard function given by $$h(x) =
(b/\sigma)(x/\sigma)^(b-1)\exp((x / \sigma)^b)$$ for \(x \ge 0\).