make 'week' function biweek
问题 Hi all this should be a straightforward question, I just can't seem to figure it out. I would like to break up this data set biweekly in order to look at the annual cycle in 2 week intervals. I do not want to summarize or aggregate the data. I would like to do exactly what the 'week' function is doing, but every 2 weeks instead. Below is an example of the data and code. Any help would be greatly appreciated! DF<-dput(head(indiv)) structure(list(event.id = 1142811808:1142811813, timestamp =