Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Posting-Version: version B 2.10.3 4.3bsd-beta 6/6/85; site ucbvax.BERKELEY.EDU Path: utzoo!watmath!clyde!burl!ulysses!ucbvax!brahms!desj From: desj@brahms.BERKELEY.EDU (David desJardins) Newsgroups: net.sci Subject: Adding Standard Deviations Message-ID: <12410@ucbvax.BERKELEY.EDU> Date: Sat, 15-Mar-86 19:08:42 EST Article-I.D.: ucbvax.12410 Posted: Sat Mar 15 19:08:42 1986 Date-Received: Mon, 17-Mar-86 03:20:26 EST References: <1794@sphinx.UChicago.UUCP> Sender: usenet@ucbvax.BERKELEY.EDU Reply-To: desj@brahms.UUCP (David desJardins) Distribution: net Organization: University of California, Berkeley Lines: 10 >From: ihnp4!gargoyle!sphinx!fdot (Tom Lippincott) > >How about error handling? I've never seen *any* program where you could, >for example, add 1.23+/-.02 to 4.56+/-.04 and get 5.79+/-.06, let alone >perform more complicated math, graph them with error bars automatically, etc. Maybe that's because (1.23 +- .02) + (4.56 +- .04) = (5.79 +- .045)? (Or do you want the program to figure out the correlation coefficient? :-)) -- David desJardins