Nathan VanHoudnos

Nathan VanHoudnos has asked 13 questions and find answers to 3 problems.

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About

I'm a postdoc at the Institute for Policy Research at Northwestern University. My PhD in Statistics and Public Policy is from Carnegie Mellon University.

Nathan VanHoudnos questions

plyr summarize only calls global functions
Renaming a few columns in a data frame: Why doesn't ifelse with %in% operator preserve order?
Legend in Base R: Can fill refrain from drawing boxes on some lines? Can fill draw boxes that cover the whole symbol?
When writing an R package that uses the Matrix package, why do I have to specify Matrix::t() instead of just t()?
How do I transition from using C++ with inline to making my own R package?
How can I get R's lapply (and mclapply) to restore the state of the random number generator?
How to setup testthat for R CMD check?
display a matrix, including the values, as a heatmap

Nathan VanHoudnos answers

Mechanical Turk
When writing an R package that uses the Matrix package, why do I have to specify Matrix::t() instead of just t()?
How can I fix the Git error "object file ... is empty"?