> -----Original Message----- > From: SAS(r) Discussion [mailto:SAS-L@LISTSERV.UGA.EDU] On > Behalf Of dc353@hotmail.com > Sent: Wednesday, March 26, 2008 8:04 AM > To: SAS-L@LISTSERV.UGA.EDU > Subject: RETAIN Statement --> strange behavior > > Hi, > > Could someone explain why the first set of code here works with the > retain statement but the second example does not? > > First Example: > > data d9; > set d8; > retain endshare; > retain cash; > by ticker; > > if first.ticker then do; > if ticker = '*$$$' then do; > startshare=9617604; > endshare=startshare+trade; > cash=endshare; > mv=endshare*price; > cost = endshare*price; > avecost=1; > end; > end; > else > if ticker = '*$$$' then do; > startshare=startshare+cash; > endshare= startshare + trade; > cash = endshare; > mv = endshare*price; > cost=endshare*price; > avecost=1; > end; > run; > > > > SECOND EXAMPLE:***************************************** > > > data d9; > set d8; > retain endshare; > > by ticker; > > if first.ticker then do; > if ticker = '*$$$' then do; > startshare=9617604; > endshare=startshare+trade; > > mv=endshare*price; > cost = endshare*price; > avecost=1; > end; > end; > else > if ticker = '*$$$' then do; > startshare=startshare+endshare; > endshare= startshare + trade; > > mv = endshare*price; > cost=endshare*price; > avecost=1; > end; > run; >

What does "doesn't work" mean?

Dan

Daniel J. Nordlund Research and Data Analysis Washington State Department of Social and Health Services Olympia, WA 98504-5204