Split date into different columns for year, month and day

Question

I have zoo objects that look like:

head(obs)

      Index pp
1932-01-01  0
1932-01-02  0.2
1932-01-03  0

and I want to split the ind

Answer 1

You can try:

CET$year <- format(CET[,1], "%Y") # year
CET$month <- format(CET[,1], "%m") # month
CET$day <- format(CET[,1], "%d") # day