akrun questions

akrun answers

• dplyr: group mean centering (mutate + summarize)
• How to collapse session path data into from-to paths for visualizing network data?
• Array/matrix comparison by row instead of column
• Calculate the time interval between two timestamps
• R - save as data.frame all elements of a list of lists efficiently
• Rolling window with slide_dbl() on grouped data
• R split column by fixed width
• conditionally multiply a vector by another r
• convert json list to a data frame in R
• Convert stacked matrices to block matrix