Re: [R] Reading data from xls..........please help

2010-06-18 Thread Katya Mauff
Surely you could also save the excel spreadsheet with the relevant data as a text file, and then read it into R as normal? Select save as in Excel and then change save as type to Text (Tab delimited)(*.txt). Save it in the directory you are using in R, (or change the directory in R to where

[R] how to change default help settings from factory default html

2010-06-14 Thread Katya Mauff
Hi all Apologies if this is a trivial question- I have searched the lists and the online help files etc but have not managed to find anything. I recently downloaded the latest version of R, which has the help type set to htmlhelp as default (according to

Re: [R] how to change default help settings from factory default html

2010-06-14 Thread Katya Mauff
Ligges lig...@statistik.tu-dortmund.de 2010/06/14 03:29 PM On 14.06.2010 14:11, Katya Mauff wrote: Hi all Apologies if this is a trivial question- I have searched the lists and the online help files etc but have not managed to find anything. I recently downloaded the latest version of R, which

[R] help with breaking loops used to fit covariates in nlme model building procedure

2010-03-25 Thread Katya Mauff
the current model if it is not converging within a certain time and move on to the next... any suggestions?? Suggestions for simplifying the horrific code above would also be very welcome! It was the only way I could think to do it, but I know that it's clumsy... Thanks in advance Katya Mauff

[R] Please help! How do I change the class of a numeric variable in a grouped data object to a factor?

2009-03-18 Thread Katya Mauff
Hi all I’m in desperate need of help. I’m working with a grouped data object, called Orthodont in the nlme package in R, and am trying to fit various models (learning methods for my thesis), but one of the variables in the object is numeric, (age) and I need it to be a factor. I’ve tried: