akrun questions

akrun answers

• dplyr::coalesce, but for multiple rows
• Calculating cumulative standard deviation by group using R
• Get difference between rows for all columns in R
• format columns on data frame in r
• Turn a list with elements of unequal length into a two column dataframe
• How do I remove NAs and empty values by column names?
• Renaming multiple columns from vector in dplyr chain
• R: index into dataframe by multiple column values
• Passing POSIXct object to function returns numeric vector
• Count number of occurrences of categorical variables in data frame (R) [duplicate]