The check function used for optimizing to get quantiles

checkfun(a, tau)

Arguments

a

vector to compute quantiles for

tau

between 0 and 1, ex. .5 implies get the median

Value

numeric value

Examples

x <- rnorm(100)
x[which.min(checkfun(x, 0.5))] ##should be around 0
#> [1] -0.04642821