R version 3.1.0 (2014-04-10) -- "Spring Dance"
Copyright (C) 2014 The R Foundation for Statistical Computing
Platform: x86_64-pc-linux-gnu (64-bit)

R is free software and comes with ABSOLUTELY NO WARRANTY.
You are welcome to redistribute it under certain conditions.
Type 'license()' or 'licence()' for distribution details.

R is a collaborative project with many contributors.
Type 'contributors()' for more information and
'citation()' on how to cite R or R packages in publications.

Type 'demo()' for some demos, 'help()' for on-line help, or
'help.start()' for an HTML browser interface to help.
Type 'q()' to quit R.

> require(chemCal)
Loading required package: chemCal
> data(din32645)
> m <- lm(y ~ x, data = din32645)
> inverse.predict(m, 3500, alpha = 0.01)
$Prediction
[1] 0.1054792

$`Standard Error`
[1] 0.02215619

$Confidence
[1] 0.07434261

$`Confidence Limits`
[1] 0.03113656 0.17982178

> lod <- lod(m, alpha = 0.01, beta = 0.5)
> lod(m, alpha = 0.01, beta = 0.01) 
$x
[1] 0.132909

$y
       1 
3765.025 

> loq <- loq(m, alpha = 0.01)
> 
> proc.time()
   user  system elapsed 
  0.472   0.302   0.354