error message while loading GitHub package

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2

Did you read the error message?

3

it says error in loadNamespace(). I am new to R and I don't know what that means.
Thank you

4

please write the full message here. its the only way we might possibly attempt to understand what your problem might be

5

devtools::install_github("psuthaharan/

  • twochoiceRL")
    Error in loadNamespace(x) : there is no package called ‘devtools’

library(twochoiceRL)
Error in library(twochoiceRL) : there is no package called ‘twochoiceRL
this is the error message.

6

You must first install devtools before using its functions :

install.packages("devtools")