Re: Count Function

*To*: mathgroup at smc.vnet.net*Subject*: [mg65507] Re: [mg65501] Count Function*From*: "David Annetts" <davidannetts at aapt.net.au>*Date*: Thu, 6 Apr 2006 06:51:48 -0400 (EDT)*Sender*: owner-wri-mathgroup at wolfram.com

Hi Gregory, > 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. Try select ... If data = Random[Integer, {-10, 10}] & /@ Range[32] Then a = Select[data, (# > -9) &] b = Select[data, (# ? -9) &] And SameQ[32, Length@a + Length@b] Regards, Dave.