search for: ataxia

...zeros when I use RODBC's sqlQuery(), making interpretation impossible. I have tried using the nullstring and na.strings options, but these don't seem to have any effect. I have tried various combinations of NULL, NA and "". Forgive my awkward SQL. > channel = odbcConnect("ataxia", uid="mark") > disease = sqlQuery(channel, "select calc_survival_unilateral_support as unlateral, calc_survival_bilateral_support as bilateral, calc_survival_wheelchair as wheelchair,calc_survival_death as death, calc_follow_up as followup, has_family_history_ataxia as famil...

Dear all, my R files (and the .csv files as well) are saved somewhere pretty deep down my hard disk. i have to chage to working directory therefore everytime i run R (i run it on powerPC mac), which is disgusting. using the setwd command at the beginning of an R script doesnt really help because i have to find this file first by hand. I am looking for possibility to run setwd during the

...f asking people how they organise medium-sized projects? Do people create their own "libraries" for specific projects for shared functionality, or do people just liberally use "source()" for this kind of thing? What about namespaces? I've got unwieldy sounding functions like ataxia.repeats.plot.alleles() and often these functions are not particularly generic, and are only called three or four times, but they do save repetition. Do you go to the effort of creating a library that solves your particular problem, or only reserve that for more generic functionality? Do people kee...

Dear R-help, I am using Sweave and pdflatex to generate a large report from data contained in my database (Postgres via RODBC). Currently, I work with a single R/Sweave file, containing several "chapter" indications for the Latex engine. My master tex file sets the document class, and includes the introduction, the main Sweave file, and a conclusions and reference file. I use a makefile