Displaying 1 result from an estimated 1 matches for "before2sw".
2006 Oct 26
2
Newbie: Better way to do compound conditionals in subset?
There must be a better way to select the rows after 22-Apr-2004 and
before 01-Sep-2004 with a temperature below 65 than this:
> before2sw1 <- subset(energy.data, as.Date(start, format="%d-%b-%y") <
as.Date("01-Sep-04", format = "%d-%b-%y"))
> before2sw2 <- subset(before2sw1, as.Date(start, format="%d-%b-%y") >=
as.Date("22-Apr-04", format = "%d-%b-%y"), select...