rtnorm function

Draw from one-sided truncated normal

This function draws from a one-sided truncated univariate normal distribution.

rtnorm(mu, sig, trunpt, above)

Arguments

• mu: The mean.
• sig: The standard deviation.
• trunpt: The truncation point.
• above: A boolean, if TRUE truncate from above, otherwise from below.

Returns

A numeric value.

Examples

### samples from a standard normal truncated at 1 from above
R <- 1e4
draws <- replicate(R, rtnorm(0,1,1,TRUE))
plot(density(draws))