Re: [R] COXPH: How should weights be entered in coxph, as the log of the weight or as the weight on its original scale?

Perhaps this package could be considered https://cran.r-project.org/web/packages/hrIPW/hrIPW.pdf That packages author also has a 2016 article in Statistics in Medicine on the properties of estimates from such analyses that might be useful. — David Winsemius, MD, MPH Sent from my iPhone > On

[R] COXPH: How should weights be entered in coxph, as the log of the weight or as the weight on its original scale?

When running a propensity score weighted analysis using coxph(), are the weights entered as the log of the weights, or as the weights on the original scale, i.e. coxph(Surv(time,status)~group,weights=weights ,data=mydata) or coxph(Surv(time,status)~group,weights=log(weights),data=myda

[R] Help in modifying code to extract data from url

Hello Everyone, I am trying to extract data from a url. The codes work well when the data structure is as follows: X Y 1 2 1 5 1 6 1 7 3 4 However, the code fails when the data structure has no number under the 2nd column (shown below).I get the following error: "Error in data.frame(..., check.

Re: [R] Plot with some countries in red

Hi For your example sel <- c(1,4, 9, 11) text(B, C, A, col= c("black", "red")[(A %in% A[sel])+1]) gives you required colouring.Not sure if it works with basicPlotteR. Cheers Petr -Original Message- From: R-help On Behalf Of varin sacha via R-help Sent: Wednesday, May 19, 2021 3:14 PM

[R] Plot with some countries in red

Dear R-experts, Here below a toy R code example. I would like some countries (not all of them) "Italy", "Canada", "Greece" and "Norway" to appear in red color. The others remaining black. How can I do that without big changes in my R code ? Indeed, I would like my R code to remain like this as