This function calculates critical values or p-values which cannot
be obtained numerically, and only tabularized version is available.
Usage
qtable(p, probs, quants)
Arguments
p
vector of probabilities.
probs
vector of given probabilities.
quants
vector of given corresponding quantiles.
Value
A vector of interpolated values
Details
This function is internal routine used to obtain Grubbs and Dixon critical values.
It fits linear or cubical regression to closests values of its argument, then uses
obtained function to obtain quantile by interpolation.