[R] poisson regression

Hello All, I have a question regarding using Poission Regression, I would like to Model the number of hospitalizations by a set of covariates. The issue I ran into is lack of fit even after I tried to solve the overdispersion problem with negetive binomial. What would you suggest? 1. Is the

[R] using if statment and loops to create data layout of recurrent events

Hi , I have a data set with recurrence time (up to four) of myocardial infarction (MI). Part of the file is showing below: Num1Trt Sex TimeT1 T2 T3 T4 10111 1 9 12110 1 59

[R] recurrent events

Hello, I have a cohort with approx 1,200 patients at the ages of 30-65 that had their first myocardial infarction during 1992: • They were in a follow up until 2005. • About 400 of them died during this period of time (right censored) • Each one of them had up to 4 mi recurrent

[R] frailtypack

Hello everyone, I have a question about using frailtypack to run recurrent events data. I have a file with 1,580 events. The file structure fits the andersen gill model. When I run the file with all records, the R stops and shuts down. Once I run only part of the file, about 400 events, R runs

[R] recurrent events

Hello everyone, I have a question about using frailtypack to run recurrent events data. I have a file with 1,580 events. The file structure fits the andersen gill model. When I run the file with all records, the R stops and shuts down. Once I run only part of the file, about 400 events, R runs

[R] memory problem

Hi, when i run the following code i get this massege: The instruction at 0x reference memory at 0x###, the memory cannot be read. and then i have to close R. what is the problem and how can i solve it? thanks in advance Avi my code # frailtypack library(frailtypack) cgd.ag -

[R] Create Dot Chart

Hello everyone... I would like to create a chart (see below), how can I do it with R? Any help, suggestion, samples... will be greatly appreciated. Thanks... Avi http://r.789695.n4.nabble.com/file/n2545921/DotChart.jpg -- View this message in context:

Re: [R] Create Dot Chart

Hi Josh, Great samples! Thanks a lot! I ran your code and saw the Dot Chart, looks like what I need. I would like to ask for your help with applying it to my file, coming from the Theoretical world making it tough for me to apply in the Code.. attached below is part of my dataset num1 is ID

Re: [R] Create Dot Chart

Hi Josh, Great samples! Thanks a lot! I ran your code and saw the Dot Chart, looks like what I need. I would like to ask for your help with applying it to my file, coming from the Theoretical world making it tough for me to apply in the Code.. attached below is part of my dataset num1 is

Re: [R] Create Dot Chart

Hi Josh Wow, I greatly appreciate you taking the time to help out. It works excellent!!! I am just a beginner with R; thanks a lot for your books recommendation, I will be using them. If I may ask you, I have about 300 records in the full file and once I ran the code with the full file, The

[R] recurrent events data analysis

I am looking for code for modeling recurrent events with R, Especially Andersen Gill Model /PWP models. I would greatly appreciate it if anyone can advise of refferences / books / other relevant information. thanks in advance. Avshalom -- View this message in context:

[R] Survival Analysis

Hello, I have few questions about recurring events. I would greatly appreciate it if anyone can assist me. I have data that consist of approx 1,100 Consecutive patients released from hospital after first Myocardial infarction (MI). They were followed for 13 years. Recurrent MI and unstable