Kevin Ushey

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Kevin Ushey has asked 13 questions and find answers to 136 problems.

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Kevin Ushey questions

How do I substitute symbols in a language object?
Slice a string at consecutive indices with R / Rcpp?
How does Roxygen to handle infix binary operators (eg. %in%)?
How can I control the x position of boxplots in ggplot2?
Why is sapply relatively slow when querying attributes on variables in a data.frame?
Produce two plots from same chunk / statement in knitr
How should I count the number of unique rows in a 'binary' matrix?
Strange mixing of system + homebrew Python with LLDB
How do I prevent "r 'library' or 'require' calls not declared" warnings when developing a package?

Kevin Ushey answers

RcppEigen - going from inline to a .cpp function in a package and "Map"
R studio will not start while Git for Windows is installed
Rstudio how to get stringi package installation to work? All good until dyn.load simply fails
Rcpp: Dealing with Lists that include Lists
What is RENV_PATHS_CACHE_HOST? -- docker documentation
R install package stringi in renv
Error: "project "path/to/file.rda" has no activated script and so cannot be activated" with renv
How can I copy and entire renv based project to a new PC (which does not have internet access)?
'curl' error is not allowing packages installation in RStudio under renv
Iterate over S4 object slots Rcpp