[R] Lapack routine dgesv: system is exactly singular

Hello, I am sorry for posting this question related to TWMR but it seems I can nto proceed with this. Hopefully this post now will make sense. So I am running this code: https://github.com/eleporcu/TWMR/blob/master/MR.R I made this change in code so that I can run it like this: Rscript MR.R ENSG

[R] Lapack routine dgesv: system is exactly singular

I was sent a copy of the data on request. A quick look shows that > range(days.alive[censored==0]) [1]0 1825 > range(days.alive[censored==1]) [1] 1826 1826 The original call of survdiff(Surv(days.alive, censored) ~ group) will assume that censored=1 corresponds to deaths and 0 to alive; f

[R] Lapack routine dgesv: system is exactly singular

Hi I have a problem with this error, I have searched the archives and found previous discussion about this, can I cannot understand how the explanations apply to what I am trying to do. I am trying to do Log_rank Survival analysis, I have included tables and str command, is it a factor/int