Yes , indeed this is what I am looking for : a[ a == 0.0 ] = NA na.approx(a,na.rm="FALSE")
Thanks a lot. -----Original Message----- From: "Jeff Newmiller" [jdnew...@dcn.davis.ca.us] Date: 02/05/2014 10:35 PM To: "ce" <zadi...@excite.com>, "" <r-help@r-project.org> Subject: Re: [R] replacing zeros with above/below numbers ? You seem to be treating zeroes as unknown values. Perhaps you should consider setting them to NA and using the na.approx function from the zoo package. --------------------------------------------------------------------------- Jeff Newmiller The ..... ..... Go Live... DCN:<jdnew...@dcn.davis.ca.us> Basics: ##.#. ##.#. Live Go... Live: OO#.. Dead: OO#.. Playing Research Engineer (Solar/Batteries O.O#. #.O#. with /Software/Embedded Controllers) .OO#. .OO#. rocks...1k --------------------------------------------------------------------------- Sent from my phone. Please excuse my brevity. On February 5, 2014 7:05:46 PM PST, ce <zadi...@excite.com> wrote: > >Dear all, > > My data is : > >a <- >c(0.9721,0.9722,0.9730,0.9723,0.0,0.0,0.0,0.9706,0.9698,0.0,0.9710,0.9699) > >I want to replace zeros with average of before and after values of >them. But sometimes there is one zero sometimes more than one. What is >the most elegant way to do this ? >Thanks a lot > >______________________________________________ >R-help@r-project.org mailing list >https://stat.ethz.ch/mailman/listinfo/r-help >PLEASE do read the posting guide >http://www.R-project.org/posting-guide.html >and provide commented, minimal, self-contained, reproducible code. ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.