The sfit package is neither on CRAN nor on Bioconductor. To install it, use:
install.packages("sfit", repos = "https://henrikbengtsson.r-universe.dev")
This will install the package from source.
To install the pre-release version that is available in Git branch
develop
on GitHub, use:
remotes::install_github("HenrikBengtsson/sfit", ref="develop")
This will install the package from source.
To contribute to this package, please see CONTRIBUTING.md.