Re: eliminate values while caculating Mean[data]

*To*: mathgroup at smc.vnet.net*Subject*: [mg91973] Re: eliminate values while caculating Mean[data]*From*: "David Park" <djmpark at comcast.net>*Date*: Mon, 15 Sep 2008 03:42:58 -0400 (EDT)*References*: <gag2rl$3fq$1@smc.vnet.net>

Use the Fuctional Programming command Select. data = {1, 2, 3, 4, 5, 0, 0, 0}; data2 = Select[data, # != 0 &] {1, 2, 3, 4, 5} Mean[data2] 3 -- David Park djmpark at comcast.net http://home.comcast.net/~djmpark/ "Pasha Karami" <karami at geo.uu.nl> wrote in message news:gag2rl$3fq$1 at smc.vnet.net... > Dear all, > > An easy question: > I would like to make an average of a data file.I know that we can use > Mean function for this. > > However, I want to eliminate some values from my data.For example if I > have > > data={1,2,3,4,5,0,0,0} > Mean[data] would be 15/8 > > I do not want the "zero" values in my Mean function (i.e.I want the mean > value to be 3 in the above example) How can I do this? > > Thank you! > Best, > Pasha > >