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I have Jupiter Notebook and it sees Python3 clearly. Then I installed R, installed IRkernel using this instruction but when I used the command

IRkernel::installspec(user = FALSE)

I got an error:

Error in IRkernel::installspec(user = FALSE) : 
  jupyter-client has to be installed but “jupyter kernelspec --version” exited with code 127.
In addition: Warning message:
In system2("jupyter", c("kernelspec", "--version"), FALSE, FALSE) :
  '"jupyter"' not found

Please help me to understand where is the mistake? (Windows 10, Python3)

Vlad
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  • I think this is a PATH problem. See if the answer is here https://stackoverflow.com/q/53101645/10276092 – M.Viking Dec 17 '22 at 19:42
  • Thank you @M.Viking, tried it but unsuccessful. Decided to use R Markdown in R Studio ) – Vlad Dec 18 '22 at 07:29

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