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...ontains "string" at the end, it is combined with the next element, so that I get this: > res [1] "astringb" "cstringd" "e" Any help is much appreciated, still learning. Many thanks, Jill ________________________________________________ Jill Hollenbach, PhD, MPH Associate Staff Scientist Center for Genetics Children's Hospital Oakland Research Institute jhollenbach@chori.org skype: jillah11 [[alternative HTML version deleted]]

...1 0601 3 0103 0103 0301 0402 . . and what I want is this: >dfnew V1 V2 V3 V4 1 DPA1* DPA1* DPB1* DPB1* 2 DPA1*0103 DPA1*0104 DPB1*0401 DPB1*0601 3 DPA1*0103 DPA1*0103 DPB1*0301 DPB1*0402 any help is much appreciated, I am new to this and struggling. Jill ___ Jill Hollenbach, PhD, MPH Assistant Staff Scientist Center for Genetics Children's Hospital Oakland Research Institute jhollenbach at chori.org -- View this message in context: http://www.nabble.com/paste-first-row-string-onto-every-string-in-column-tp24928720p24928720.html Sent from the R he...

...ent of a particular cell is not found in the lookup table, the function returns NA. I'm wondering how I can just ignore those cells, and return the original contents if no match is found in the lookup table. Many thanks in advance, this site has been extremely helpful for me so far, Jill Jill Hollenbach, PhD, MPH Assistant Staff Scientist Center for Genetics Children's Hospital Oakland Research Institute jhollenbach at chori.org -- View this message in context: http://www.nabble.com/how-to-have-%27match%27-ignore-no-matches-tp25756601p25756601.html Sent from the R help mailing...

...402" > (data2 <- rbind(C,data1))          V1        V2        V3        V4 1     DPA1*     DPA1*     DPB1*     DPB1* 2 DPA1* 103 DPA1* 104 DPB1* 401 DPB1* 601 3 DPA1* 103 DPA1* 103 DPB1* 301 DPB1* 402 > Hope that helps!!! inchallah yarab ________________________________ De : Jill Hollenbach <jhollenbach@chori.org> À : r-help@r-project.org Envoyé le : Mercredi, 12 Août 2009, 3h48mn 37s Objet : [R] paste first row string onto every string in column Hi, I am trying to edit a data frame such that the string in the first line is appended onto the beginning of each element in the su...