Re: [R] how to assing unique ID in a table and do regression

2012-08-06 Thread Rui Barradas
..@sapo.pt To: kristi.glo...@hotmail.com CC: r-help@r-project.org Subject: Re: [R] how to assing unique ID in a table and do regression Hello, Try the following. id.groups <- with(dat, cut(ID, breaks=0:ceiling(max(ID sp <- split(dat, id.groups) regressors <- grep("en", na

Re: [R] how to assing unique ID in a table and do regression

2012-08-04 Thread Rui Barradas
Hello, Try the following. id.groups <- with(dat, cut(ID, breaks=0:ceiling(max(ID sp <- split(dat, id.groups) regressors <- grep("en", names(dat)) models <- lapply(sp, function(.df) lapply(regressors, function(x) lm(.df[["S"]] ~ .df[[x]]))) mod.summ <- lapply(models, function(x) lapply(

[R] how to assing unique ID in a table and do regression

2012-08-04 Thread Kristi Glover
Hi R- User I have very big data set (5000 rows). I wanted to make classes based on a column of that table (that column has the data which is continuous .) After converting into different class, this class would be Unique ID. I want to run regression for each ID. For example I have a data set >