dlogis(x, location=0, scale=1) plogis(q, location=0, scale=1) qlogis(p, location=0, scale=1) rlogis(n, location=0, scale=1)
x,q
| vector of quantiles. |
p
| vector of probabilities. |
n
| number of observations to generate. |
location,scale
| location and scale parameters. |
location
and scale
. dlogis
gives
the density, plogis
gives the distribution function
qlogis
gives the quantile function and rlogis
generates
random deviates.
If location
or scale
are omitted, they assume the
default values of 0
and 1
respectively.
The Logistic distribution with location
= a and
scale
= b has density
f(x) = 1/b exp((x-a)/b) (1 + exp((x-a)/b))^-2.
x <- 0:4 paste(dlogis(x, loc = 0)) == paste(exp(x) * (1 + exp(x))^-2)