[R] sort columns

Rau, Roland Rau at demogr.mpg.de
Thu Feb 2 17:12:02 CET 2006


Hi,

is this what you were looking for?

> sort(c("v1", "v9090", "v910", "v990", "v908"))
[1] "v1"    "v908"  "v9090" "v910"  "v990" 
> library(gtools)
> mixedsort(c("v1", "v9090", "v910", "v990", "v908"))
[1] "v1"    "v908"  "v910"  "v990"  "v9090"
> 

Best,
Roland



> -----Original Message-----
> From: r-help-bounces at stat.math.ethz.ch 
> [mailto:r-help-bounces at stat.math.ethz.ch] On Behalf Of Ana Quitério
> Sent: Wednesday, February 01, 2006 12:56 PM
> To: r-help at stat.math.ethz.ch
> Subject: [R] sort columns
> 
> Hi. 
> 
>  
> 
> I have a simple (I think) question
> 
>  
> 
> My dataset have these variables:
> 
>  
> 
> names(data)
> 
>   [1] "v1"   "v2"   "v3"   "v4"   "v5"   "v6"   "v7"   "v8"   
> "v9"   "v10"
> "v11"  "v12"  "v13"  "v14"  "v15"  "v16"  "v17"  "v18"  "v52" 
> 
>  [20] "v53"  "v54"  "v55"  "v56"  "v57"  "v58"  "v59"  "v60"  
> "v61"  "v62"
> "v63"  "v64"  "v65"  "v66"  "v67"  "v68"  "v69"  "v70"  "v71" 
> 
>  [39] "v72"  "v73"  "v74"  "v75"  "v76"  "v77"  "v78"  "v79"  
> "v80"  "v81"
> "v19"  "v20"  "v21"  "v22"  "v23"  "v24"  "v25"  "v26"  "v27" 
> 
>  [58] "v28"  "v29"  "v30"  "v31"  "v32"  "v33"  "v34"  "v35"  
> "v36"  "v37"
> "v38"  "v39"  "v40"  "v41"  "v42"  "v43"  "v44"  "v45"  "v46" 
> 
>  [77] "v47"  "v48"  "v49"  "v50"  "v51"  "v82"  "v83"  "v84"  
> "v85"  "v86"
> "v87"  "v88"  "v89"  "v90"  "v91"  "v92"  "v93"  "v94"  "v95" 
> 
>  [96] "v96"  "v97"  "v98"  "v99"  "v100" "v101" "v102" "v103" 
> "v104" "v105"
> "v106" "v107" "v108" "v109" "v110" "v111" "v112" "v113" "v114"
> 
> (...)
> 
>  [856] "v856" "v857" "v858" "v859" "v860" "v861" "v862" 
> "v863" "v864" "v865"
> "v866" "v867" "v868" "v869" "v870" "v871" "v872" "v873" "v874"
> 
> [875] "v875" "v876" "v877" "v878" "v879" "v880" "v881" "v882" 
> "v883" "v884"
> "v885" "v886" "v887" "v888" "v889" "v890" "v891" "v892" "v893"
> 
> [894] "v894" "v895" "v896" "v897" "v898" "v899" "v900" "v901" 
> "v902" "v903"
> "v904" "v905" "v906" "v907" "v908" "v909" "v910" "v911" "v912"
> 
> [913] "v913" "v914" "v915" "v916" "v917" "v918" "v919" "v920" 
> "v921" "v922"
> "v923" "v924" "v925" "v926" "v927" "v928" "v929" "v930" "v931"
> 
>  
> 
> And I want obtain another dataset with sort columns names, 
> and I do this:
> 
>  
> 
> data1<-data[,sort(colnames(data))]
> 
>  
> 
> names(data1)
> 
>  
> 
> [1] "v1"   "v10"  "v100" "v101" "v102" "v103" "v104" "v105" 
> "v106" "v107"
> "v108" "v109" "v11"  "v110" "v111" "v112" "v113" "v114" "v115"
> 
>  [20] "v116" "v117" "v118" "v119" "v12"  "v120" "v121" "v122" 
> "v123" "v124"
> "v125" "v126" "v127" "v128" "v129" "v13"  "v130" "v131" "v132"
> 
>  [39] "v133" "v134" "v135" "v136" "v137" "v138" "v139" "v14"  
> "v140" "v141"
> "v142" "v143" "v144" "v145" "v146" "v147" "v148" "v149" "v15" 
> 
>  [58] "v150" "v151" "v152" "v153" "v154" "v155" "v156" "v157" 
> "v158" "v159"
> "v16"  "v160" "v161" "v162" "v163" "v164" "v165" "v166" "v167"
> 
>  [77] "v168" "v169" "v17"  "v170" "v171" "v172" "v173" "v174" 
> "v175" "v176"
> "v177" "v178" "v179" "v18"  "v180" "v181" "v182" "v183" "v184"
> 
>  [96] "v185" "v186" "v187" "v188" "v189" "v19"  "v190" "v191" 
> "v192" "v193"
> "v194" "v195" "v196" "v197" "v198" "v199" "v2"   "v20"  "v200"
> 
> [115] "v201" "v202" "v203" "v204" "v205" "v206" "v207" "v208" 
> "v209" "v21"
> "v210" "v211" "v212" "v213" "v214" "v215" "v216" "v217" "v218"
> 
> [134] "v219" "v22"  "v220" "v221" "v222" "v223" "v224" "v225" 
> "v226" "v227"
> "v228" "v229" "v23"  "v230" "v231" "v232" "v233" "v234" "v235"
> 
> (...)
> 
> [856] "v87"  "v870" "v871" "v872" "v873" "v874" "v875" "v876" 
> "v877" "v878"
> "v879" "v88"  "v880" "v881" "v882" "v883" "v884" "v885" "v886"
> 
> [875] "v887" "v888" "v889" "v89"  "v890" "v891" "v892" "v893" 
> "v894" "v895"
> "v896" "v897" "v898" "v899" "v9"   "v90"  "v900" "v901" "v902"
> 
> [894] "v903" "v904" "v905" "v906" "v907" "v908" "v909" "v91"  
> "v910" "v911"
> "v912" "v913" "v914" "v915" "v916" "v917" "v918" "v919" "v92" 
> 
> [913] "v920" "v921" "v922" "v923" "v924" "v925" "v926" "v927" 
> "v928" "v929"
> "v93"  "v930" "v931" "v94"  "v95"  "v96"  "v97"  "v98"  "v99"
> 
>  
> 
>  
> 
> But I would like obtain, something like this: "v1"  "v2"  
> "v3" "v4" "v5"
> "v6"  (...)   "v928"  "v929"  "v930" "v931" 
> 
>  
> 
> It's possible?
> 
>  
> 
> Thanks in advance
> 
>  
> 
> Ana Quiterio
> 
>  
> 
> Ana Quiterio
> 
> INE - DME 
> Serviço de Metodos Estatisticos 
> Tel: +351 21 842 61 00 (Ext: 3222) 
> E-mail: ana.quiterio at ine.pt <mailto:ana.quiterio at ine.pt> 
> 
> Lisbon/Portugal
> 
>  
> 
>  
> 
>  
> 
>  
> 
>  
> 
> 
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> 

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