probit and inverse probit functions
Examples
probit(0.25)
#> [1] -0.6744898
probitInv(-0.674)
#> [1] 0.2501557
probitNormInfo(probit(0.25), sd = 0.1)
#>       mean        var         cv 
#> 0.25106491 0.00100658 0.12636827 
probitNormInfo(probit(1, 0, 10), sd = 1, low = 0, high = 10)
#>     mean      var       cv 
#> 1.824166 4.307824 1.137796 
