Computes standard deviation of a prior distribution.

# S3 method for class 'prior'
sd(x, ...)

Arguments

x

a prior

...

unused arguments

Value

a standard deviation of an object of class 'prior'.

Details

The standard deviation is the square root of var(); see var() for the precision check of truncated normal priors.

See also

Examples

# create a standard normal prior distribution
p1 <- prior(distribution = "normal", parameters = list(mean = 1, sd = 1))

# compute sd of the prior distribution
sd(p1)
#> [1] 1