Re: Select All Lists Where Any Element is a Given Value

*To*: mathgroup at smc.vnet.net*Subject*: [mg96641] Re: Select All Lists Where Any Element is a Given Value*From*: Peter Breitfeld <phbrf at t-online.de>*Date*: Wed, 18 Feb 2009 04:22:55 -0500 (EST)*References*: <gncmgo$fkq$1@smc.vnet.net>

Gregory Lypny wrote: > Hello everyone, > > Suppose I have the list > > X = {{1, 2, 3}, {8, NA, 20}, {-7, 9, NA}}, > > where NA is a string, although it need not be. How can I use Select > to pull out all lists in X where NA appears in any element? In this > example, I want to pull out the second and third list. > > Regards, > > Gregory > > Try: Select[X, MemberQ[#, "NA"] &] Out={{8, "NA", 20}, {-7, 9, "NA"}} -- _________________________________________________________________ Peter Breitfeld, Bad Saulgau, Germany -- http://www.pBreitfeld.de