Displaying 1 result from an estimated 1 matches for "perc_act".
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per_cat
2010 Dec 15
2
Cumulative percentage by unit of time
Hi All,
I've been struggling on that one for a couple of days. I've tried several
things, but nothing is worth publishing.
I'm working with a bird nests data frame for which I have a laying date (LD)
and a fledgling date (FD) (in calendar Julian date) by nest id. For the
period spanning between LD and SD, the nest is termed "active". Each nest id
occur once in the data