Displaying 1 result from an estimated 1 matches for "prev6mon".
2010 Jan 16
2
Drought severity index: Excel to R
Dear all,
I'm trying to make an R code for the drought severity index (DSI)
developed by Philips and McGregor (1998). You can refer to the
description of the algorithm on page 19 from
http://dissertations.port.ac.uk/229/01/MaloneS.pdf
The code is given in Excel as the following and can be found on page 60
from the same link.
C7 =
IF(C6<0,IF(@SUM(A6:A1)<0,C6+A6,"0"),