dear R-Community is there a function which sums data "stepwise" exp: 2 1 4 5 Desired result 2 = 2 2+1 = 3 2+1+4 = 7 2+1+4+5 = 12 Is there a built in function for this? Thx Dom -- View this message in context: http://r.789695.n4.nabble.com/stepwise-sum-tp3874606p3874606.html Sent from the R help mailing list archive at Nabble.com.
> -----Original Message----- > From: r-help-bounces at r-project.org [mailto:r-help-bounces at r- > project.org] On Behalf Of behave > Sent: Wednesday, October 05, 2011 7:07 AM > To: r-help at r-project.org > Subject: [R] "stepwise" sum > > dear R-Community > > is there a function which sums data "stepwise" > > exp: > > 2 > 1 > 4 > 5 > > Desired result > > 2 = 2 > 2+1 = 3 > 2+1+4 = 7 > 2+1+4+5 = 12 > > Is there a built in function for this? > > Thx > Dom > >?cumsum Hope this is helpful, Dan Daniel J. Nordlund Washington State Department of Social and Health Services Planning, Performance, and Accountability Research and Data Analysis Division Olympia, WA 98504-5204
> cumsum(c(2,1,4,5))[1] 2 3 7 12 On Wed, Oct 5, 2011 at 10:06 AM, behave <dethlef1 at hotmail.com> wrote:> dear R-Community > > is there a function which sums data "stepwise" > > exp: > > 2 > 1 > 4 > 5 > > Desired ?result > > 2 = 2 > 2+1 = 3 > 2+1+4 = 7 > 2+1+4+5 = 12 > > Is there a built in function for this? > > Thx > Dom >-- Sarah Goslee http://www.functionaldiversity.org