Dear jim thanks for your help! I want to change also the value of OA and EF simultaneously.For instance i am looking the datamydf IDnumber OA EA beta1 1 A C 0.0502 2 G A 0.0983 3 T G 0.789Best, Hana -------- Original message --------From: Jim Lemon <drjimle...@gmail.com> Date: 6/12/22 1:59 AM (GMT+03:00) To: hanatezera <hanatez...@gmail.com>, r-help mailing list <r-help@r-project.org> Subject: Re: [R] Changing sign of columns and values Hi Hana,I think this is what you want:# first read in your examplemydf<-read.table(text="IDnumber OA EA beta1 C A -0.052 G A 0.0983 G T -0.789",header=TRUE,stringsAsFactors=FALSE)# check itmydf IDnumber OA EA beta1 1 C A -0.0502 2 G A 0.0983 3 G T -0.789# change values of mydf$beta to absolute valuesmydf$beta<-abs(mydf$beta)mydf IDnumber OA EA beta1 1 C A 0.0502 2 G A 0.0983 3 G T 0.789JimOn Sun, Jun 12, 2022 at 8:27 AM hanatezera <hanatez...@gmail.com> wrote:>> I have the following data set in data frameIDnumber OA EA beta1 C A -0.052 G A 0.0983 G T -0.789....I want to change the sign of negative beta. If the negative value change to postive i want to switch its EA and OA.My desire result will beIDnumber OA EA beta1 A C 0.052 G A 0.0983 T G 0.789....Any one can help me with r codes? kind regards,Hana> [[alternative HTML version deleted]]>> ______________________________________________> R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see> 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. [[alternative HTML version deleted]]
______________________________________________ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see 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.
