Get parameters of Beta distribution

Source: R/utils.R

This function finds the two shape parameters for the Beta distribution of a random variable between 0 and 1.

get_beta_params(mu, sigma)

Arguments

mu

scalar or vector giving the mean of the proportion
sigma

scalar or vector giving the standard deviation of the proportion

Value

A list containing the two shape parameters of the Beta distribution

See also

Other utility: get_admin_level(), get_gamma_params(), get_pop_vec(), get_unique_coords(), get_unique_ids()

Author

John Giles

Examples

get_beta_params(0.6, 0.03)

#> $shape1
#> [1] 4.2
#> 
#> $shape2
#> [1] 2.8
#> 

n <- 5
get_beta_params(mu=runif(n, 0, 1), sigma=runif(n, 0, 0.05))

#> $shape1
#> [1]  1.59125336 13.35693311  0.02174418  3.52083188  6.41864717
#> 
#> $shape2
#> [1] 0.2944077 4.9462227 0.5442898 7.0261602 2.1478568
#>