akrun questions

akrun answers

• How to split a vector into list breaking at a specific value
• Convert a column into multi column by groups
• Summing sequences in r using data.table
• A Pivot table in r with binary output [duplicate]
• Adding columns to multiple dataframes in a list in R
• R function to extract top n scores from a dataframe and find their average using `apply` or dplyr `rowwise`
• filter based on match in vector by id
• How to select elements of a matrix given a vector with same number of columns?
• Replacing alphanumeric string in R
• conditionally count number of events in same group