Re: Count Function
- To: mathgroup at smc.vnet.net
- Subject: [mg65513] Re: Count Function
- From: dh <dh at metrohm.ch>
- Date: Thu, 6 Apr 2006 06:51:53 -0400 (EDT)
- References: <e1091t$ljd$1@smc.vnet.net>
- Sender: owner-wri-mathgroup at wolfram.com
Hello Gregory, use a pattern with a condition. E.g.: x_/;x>-9 Daniel Gregory Lypny wrote: > The syntax will be the death of me. > > Count[X[[All,14]], -9.] will tally how many elements in column 14 of > matrix X are equal to -9, but I can't for the life of me figure out > how to get how many are greater than -9. Any hint would be most > appreciated. > > Greg > >