JM

JM copied to clipboard

As said, `survfitJM` expects the data frame `newdata` to be ordered by subject, and by time within each subject, else strange things happen. This is not documented, as far as...

erikvona

Hi Dr. Rizopoulos, Like a few of the commentors below, I am having an issue with getting my joint model to run, receiving an error fit.lm1

amirabadiza921

Hi Dimitris, I wondered why you did the change to the 'log.posterior.b' function. I met issues when running survfitJM and found that this was due to the change of 'log.posterior.b'...

cytnjmu

Hi everyone, I have a couple of questions about what the simulate function is capable of. Can it be utilized to sample out the evolution (paid and time) of open...

jg8946

Hello Dr Rizopoulos, I am simulating data coming from an Exponential PH model and I am trying to feed it to the jointModel() function to see whether I get back...

faithghlee

Hi Dr. Rizopoulos, I am having trouble getting the standard normal density function from your book to work with the DerivSplines and was wondering if I need to adapt it...

agstone90

Dear Professor Rizopoulos, I have some doubts regarding the interpretation of exp(Assoct) in joint model. In your book "Joint models for longitudinal and time-to-event data _ with applications in R",...

Yeqian227

Hello there. Just starting with JM and having an issue that seems to be related to the size of the matrixes from the two sbumodels, even though they originate from...

marazzoli

The code for Figure 5-1 in the book "Joint Models for Longitudinal and Survival Data" on page 103 is as follows

amirabadiza921

Hi, I'm encountering an error while attempting joint modeling for my dataset using the spline-PH-GH method. Here's a snippet of my code: lmefit

anandhari97