You can find all the information about our Python package here:
https://pypi.org/project/lpsn/
You can find all the information about our R package here:
https://r-forge.r-project.org/R/?group_id=1573
For general information about R and about installing R packages please consult the documentation of R itself.
If you encounter a problem with the LPSN package please enter into the R console:
library(LPSN)
example(fetch)
... and check the outcome, including all warnings and error messages, if any. A bug report should include this information and indicate your operating system and your version of R and of the LPSN package.