[R] Rmpi unable to load

res in a command windows. Has anyone got package Rmpi to install under Windows 8 without my error messages and how did they do this? Thanks. -- Stephen Clark, Second year PhD, School of Geography Tel : 0113 343 6707 Email : g...@leeds.ac.uk<mailto:g...@leeds.ac.uk> Web : http://www.geog.

Re: [R] Optimisation does not optimise!

my attempt to increase this number of parameters. I do not, unfortunately, have any derivative information. -- Stephen Clark, Second year PhD, School of Geography Tel : 0113 343 6707 Email : g...@leeds.ac.uk Web : http://www.geog.leeds.ac.uk/people/s.clark -Original Message- From: Pro

[R] Optimisation does not optimise!

Hello, I have the following code and data. I am basically trying to select individuals in a sample (by setting some weights) to match known counts for a zone. This is been done by matching gender and age bands. I have tested the function to be optimised and it does behave as I would expect whe

[R] Robust Stepwise Regression

Hello, I am interested in performing a stepwise regression using the robust regression technique to estimate the models at each stage. At the moment I am using the lm code and the stepAIC code to select the "best" OLS model. This final model is then re-estimated using the rlm code. I am hopin