Reference

R functions in running window Using custom R function on running window
runner()	Apply running function
run_by()	Set window parameters
window_run()	List of running windows
Running aggregations Aggregating functions applied on running windows
length_run()	Length of running windows
mean_run()	Running mean
minmax_run()	Running min/max
min_run()	Running minimum
max_run()	Running maximum
streak_run()	Running streak length
sum_run()	Running sum
Utility functions Functions applied in running window
fill_run()	Fill NA with previous non-NA element
lag_run()	Lag dependent on variable
which_run()	Running which