[R] Problems with roxygen2 when building package

pkg, version, compare) : Dependency package roxygen2 not available. Ruft auf: suppressPackageStartupMessages ... -> check_suggested -> check_dep_version Ausf�hrung angehalten Any suggestions, would be welcome Renger __ Dr. Renger van

[R] Problems with hmisc under WIndows 8

RStudio. Any idea what can be the cause? (I searched the internet, but it seems nobody has a solution). Thanks Renger _ Renger van Nieuwkoop Goldiwilstrasse 16 F 3600 Thun +41 33 221'53'05 (p) +41 79 818'53'73 (m) ren...@vannieuwkoop.ch

[R] tables with row sorted numerically although factors

Nodes in lot of places elsewhere, where I can't use 01, etc.) Cheers Renger _ Renger van Nieuwkoop Centre of Economic Research (CER-ETH) Zürichbergstrasse 18 (ZUE) CH - 8032 Zürich +41 44 632 02 63 mailto: reng...@etzh.ch blog.modelworks.ch

[R] Merging big data sets

Hi I have 6 rather big data sets (between 40 and 80 lines) on transport data (times, distances and travelers between nodes). They all have a common index (start-end nodes). I want to aggregate this data, but for that I have to merge them. I tried to use merge with the result that R

[R] Coloring comments differently

Hi I use outline mode in ESS and was wondering if it is possible to change the color of the comments depending on the level. E.g. # Green Red ### Blue Cheers Renger Modelworks Gewerbestrasse 15 3600 Thun - Switzerland +41 79 818 53 73

[R] Interfacing between Optimization Software and R

Dear all I was wondering, if there are reasons for R-Users to use (commercial) solver packages like GAMS, AMPL, Matlab, etc. These packages can solve all kind of mathematical optimization problems like (non-) linear problems, mixed complementarity problems, etc. Why I want to know? GAMS

[R] rscript in cmd window stop

Hi I am trying to run a R-script in the windows command window: e.g. rscript example.R ... It plots some stuff, but using par(ask=T) doesn't let the plotting pause. Any idea how to do this? Thanks Renger __ Renger van Nieuwkoop Goldiwilstrasse 16 F

[R] Bug or just a problem with the computer precision?

Hi I have the following problem: I have a lot of numbers that identify import goods according to the Harmonised System (8 numbers in two groups with a dot in between). I want to move to the 6 numbers (4 numbers, dot, two numbers). My trick to do this works for all the numbers in the Harmonised