[Rd] Noncentral problems in pf() (PR#8251)

Full_Name: Ken Kelley Version: 2.2 OS: Windows XP Submission from: (NULL) (156.56.3.241) It seems that the pf() function when used with noncentral parameters can behave badly at times. I've included some examples below, but what is happening is that with some combinations of df and ncp paramete

[Rd] optim warning message. (PR#8186)

Full_Name: Ken Kelley Version: 2.1.1 OS: Windows XP Submission from: (NULL) (156.56.79.54) A warning from optim() when reltol was specified for the L-BFGS-B method: "method L-BFGS-B uses 'fact' (and 'pgtol') instead of 'reltol' and 'abstol' in: optim(par = LL.0, fn = Low.Lim.NC.F, gr = NULL, m