sample_logp: Sample with unequal and unnormalized log-probabilities
In baruuum/btoolbox: random toolbox

Description Usage Arguments Value Examples

Samples with replacement from given log-probability vector

1	sample_logp(x, size, lp_vec)

`x`	a vector of possible outcomes
`size`	number of samples to take, where sampling is with replacement
`lp_vec`	a numeric vector that contains the log-probabilities with which to sample. These probabilities might or not be normalized to sum to one.

a sample of size size from x

K = 4

# unnormalized probability vector (on log-scale)
lq_vec = log(runif(K))

# sample first K letters according to lqvec
x = sample_logp(letters[1:K], 1000, lq_vec)