alexis_laz questions

alexis_laz answers

• R data.table apply function to all pair of columns
• capture column pattern frequency
• find column value and name based on minimum value in other column
• Creating a R data frame in C/C++
• Reduce a nested list with varying length
• Fill NA in a time series only to a limited number
• How to assign "cut" range midpoints in R?
• Big matrix and memory problems
• apply a function to a parameter grid and return a list of lists in purrr
• How to order a list by a custom function, discarding duplicates?