Jake Fisher

Jake Fisher has asked 25 questions and find answers to 11 problems.

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Jake Fisher questions

How do I set the R_LIBS_USER variable so that R appends the version number?
How does data.table sort NA values on key columns?
Why does mutate(row_number()) fail for data.tables?
Output each factor level as dummy variable in stargazer summary statistics table
How do I count the number of unique vectors in a list?
Using stargazer with a list of lm objects created by lapply-ing over a split data.frame
Why do geom_density and stat_density(geom = "line") give different results?
How do I use tidyr to fill in completed rows within each value of a grouping variable?
Why does dplyr's filter drop NA values from a factor variable?
How do I add a prefix to several variable names using dplyr?

Jake Fisher answers

R - ave rollapply error: k <= n is not TRUE
How do I add a prefix to several variable names using dplyr?
Output each factor level as dummy variable in stargazer summary statistics table
Create a variable that identifies the original data.frame after rbind command in R
R: dplyr::lag throws error when trying to lag characters in tibble
Complexe non-equi merge in R