search for: maancafe240

Hello list helpers, I'm working at a research institute and I've been asked to develop a way of using R as a scripting and analysis tool which takes information from users via web forms, perform a query to an Oracle Database running on a Linux server and finally return formatted reports to the user via web. I'm sort of a newbie in web forms and web services so i've been reading

Hi, This is my first post in this page althougt i've been using R for several months (by the way english is not my native language so sorry about the grammar). I have a problem with a xyplot on lattice, it's supossed to print different lines for each river (Rio) conditioned by a chemical parameter (Var) and the state at which it's located (Dpto) against the year the sample were taken

Dear R Help team, I'm having some problems running a discriminant analysis (MASS:lda) over my data, i have a grouping variable coming from a previous cluster analysis and several discriminators (78 actually). I'm trying to run lda using column index as independent variable in the formula like it's done in the help page for ?formula:

Hi Second question in a day, i'm beginnning to feel incompetent... This time i'm having a weird problem, i'm importing the next data base: >car<-read.csv2("Historicos.csv") 'data.frame': 1818 obs. of 6 variables: $ Dpto : Factor w/ 11 levels "ANTIOQUIA","ATL?NTICO",..: 2 2 2 2 2 1 1 1 1 5 ... $ Rio : Factor w/ 43 levels