On Sep 26, 2012, at 8:28 AM, David L Carlson wrote: >> subtest <- subset(test, Name. %in% c("PKB123", "PKB22", "PKB23", "PKB32", > "CTV19", "CTV20", "PKB11", "PKB11")) >> subtest > Name. Score performance Environment. > 10 CTV19 2 0.52740797 0.53639048 > 11 CTV20 3 0.05298615 0.04856818 > 12 PKB11 4 0.90037809 0.79427806 > 13 PKB11 5 0.41806588 0.40839968 > 14 PKB123 5 0.16914593 0.17565094 > 15 PKB22 4 0.13450181 0.14681555 > 16 PKB23 3 0.05703352 0.04438428 > 17 PKB32 2 0.07606024 0.07606045 > > ---------------------------------------------- > David L Carlson > Associate Professor of Anthropology > Texas A&M University > College Station, TX 77843-4352
I read the request as calling for a subsequent ordering: subtest[match(subtest$Name., c("PKB123", "PKB22", "PKB23", "PKB32", "CTV19", "CTV20", "PKB11", "PKB11") ), ] Name. Score performance Environment. 14 PKB123 5 0.16914593 0.17565094 15 PKB22 4 0.13450181 0.14681555 16 PKB23 3 0.05703352 0.04438428 16.1 PKB23 3 0.05703352 0.04438428 10 CTV19 2 0.52740797 0.53639048 11 CTV20 3 0.05298615 0.04856818 12 PKB11 4 0.90037809 0.79427806 13 PKB11 5 0.41806588 0.40839968 > > > >> -----Original Message----- >> From: r-help-boun...@r-project.org [mailto:r-help-bounces@r- >> project.org] On Behalf Of Nico Met >> Sent: Wednesday, September 26, 2012 10:20 AM >> To: r-help >> Subject: [R] rows extraction >> >> Dear all, >> >> I want to extract rows from a data frame shown here as "test". For >> example: >> rows with with sorting >> PKB123 PKB22 PKB23 PKB32 CTV19 CTV20 PKB11 PKB11 >> >>> dput(test) >> structure(list(Name. = structure(c(1L, 2L, 3L, 4L, 5L, 6L, 7L, >> 8L, 9L, 10L, 11L, 12L, 12L, 13L, 14L, 15L, 16L, 17L, 18L, 19L, >> 19L), .Label = c("CTV10", "CTV11", "CTV12", "CTV13", "CTV14", >> "CTV15", "CTV16", "CTV17", "CTV18", "CTV19", "CTV20", "PKB11", >> "PKB123", "PKB22", "PKB23", "PKB32", "PKB54", "PKB55", "PKB65" >> ), class = "factor"), Score = c(1, 3, 4, 5, 2, 3, 4, 5, 6, 2, >> 3, 4, 5, 5, 4, 3, 2, 5, 6, 6, 2), performance = c(0.1885092462, >> 0.0794777814, 0.2503300253, 0.0378809048, 0.7203585833, 0.0517920055, >> 0.2064060066, 0.5514853303, 0.2605452552, 0.5274079653, 0.0529861537, >> 0.9003780927, 0.4180658816, 0.1691459321, 0.1345018054, 0.0570335197, >> 0.0760602378, 0.2203198271, 0.2233031679, 0.0355550859, 0.6791582042 >> ), Environment. = c(0.1936732121, 0.1073581974, 0.2399158958, >> 0.0370952629, 0.6749189555, 0.0545192018, 0.2067554284, 0.4832804062, >> 0.2784950304, 0.5363904829, 0.0485681822, 0.7942780565, 0.4083996821, >> 0.175650937, 0.1468155515, 0.0443842831, 0.0760604527, 0.2029511384, >> 0.2486623715, 0.0362999435, 0.6409256796)), .Names = c("Name.", >> "Score", "performance", "Environment."), class = "data.frame", >> row.names = >> c(NA, >> 21L)) >> >> >> regards >> >> Nico David Winsemius, MD Alameda, CA, USA ______________________________________________ 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.