# r.xyz isn't working anymore? (R Project)

I am a beginner to Sage but I used to work with R. I know that I can create a R syntax cell by putting %r at the beginning of the cell. But there are a lot of examples which use the r.xyz syntax (for example: x = r([10.4,5.6,3.1,6.4,21.7]); x). But none of these examples work for me, what am I doing wrong?

We need much more information to understand your problem. Which version of Sage were you using before it failed? Was it Sage on your computer or online? Was it the Sage notebook or Jupyter?

+1 with Vincent. What did you type precisely to get an error ? On latest Sage version, i have:

Thanks for reporting this bug. This bug is now tracked at https://github.com/sagemathinc/cocalc/issues/2564 .