[R] Sata and R users GLM methods translation

2010-01-22 Thread Jean-Baptiste Combes
Hello, I am learning R and I am fluent in Stata and I try to translate part of my Stata code to R to check the reliability of the data under R. I have a proportion variable as a dependent variable pQSfteHT . Independent variables are dummies for two categorical variables called dQSvacrateHTQuali3

[R] Stata and R user GLM method

2010-01-22 Thread Jean-Baptiste Combes
Hello people, I am in the process of migrating from Stata to R and I would like to check if my results are similar under the two softwares: Here is my GLM command under R nurse.model<-glm(pQSfteHT~dQSvacrateHTQuali3_2 + dQSvacrateHTQuali3_3 + dQSvacrateHTQuali3_4 + dQSvacrateHTQuali3_5 + cluster_

[R] Beginer data.frame

2010-01-12 Thread Jean-Baptiste Combes
Hello, I use R 2.10, and I am new in R (I used to use SAS and lately Stata), I am using XP. I have a data which has a data.frame format called x.df (read from a csv file). I want to take from this data observations for which the variable "Code" starts with an "R". I took all the Code and put them