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datend
2010 Oct 28
1
adding copies of rows toa data frame based upon start and end dates
Hello All and thanks in advance for any advice.
I have a data frame with rows corresponding radio-collared animals (see
sample data below). There is a start date (DATESTART), and end date
(DATEEND), and the number of days on air (DAYSONAIR). What I would like to
do is add a column called DATE to so that each row ID has a row for every
day that the radio collar was on the air while copying all other data. For
example ID 1001 would expand into 48 rows beginning with 4/17/91 and ending
with 6...