package ‘flipChoice’ is not available for R version 4.0.5, Any idea? because I need it to calculate the D-error instead of using other program?

Warning in install.packages :
package ‘flipChoice’ is not available for this version of R

A version of this package for your version of R might be available elsewhere,
see the ideas at

You should try to contact the package author as this doesnt seem to be a publicly available package.

If @ nirgrahamuk's suggestion does not give you an answer you might try installing the developmental version from GitHub GitHub - anhnguyendepocen/flipChoice: Choice-based Conjoint experiment analysis

I tried to contact him, but I couldn’t find his email.

Thanks @jrkrideau for your suggestions. I have tried this before but it didn’t work.

This is the error,

Loading required package: devtools
Loading required package: usethis
Error: Failed to install 'unknown package' from GitHub:
HTTP error 404.
Not Found

Did you spell the repo owner (Displayr) and repo name (flipChoice) correctly?

  • If spelling is correct, check that you have the required permissions to access the repo.

Please if let me know if you can help me with this error.

Displayr · GitHub ?

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