[R] Change names on dataset

[Jeff Newmiller]

I would guess you have factors instead of strings.  Use as.character() or the appropriate parameter to prevent generation of factors when you import the names into R.
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Sent from my phone. Please excuse my brevity.


Joel <joda2457 at student.uu.se> wrote:

>Hi fellow R users.
>
>I have a problem when i try to change the Names of the columns on a
>dataset:
>The names of the names dataset looks like this:
>toPlot
>
>> names(toPlot)
>[1] "REPORT_20"      "REPORT_21"      "REPORT_22"      "REPORT_23"     
>[5] "REPORT_24"      "REPORT_25"      "REPORT_QREP001" "REPORT_RS010"  
>[9] "REPORT_RS011"   "REPORT_RS030"   "REPORT_RS090"   "REPORT_RS110"  
>[13] "REPORT_RS120"   "REPORT_RS121"   "REPORT_RS122"   "REPORT_RS130" 
>
>[17] "REPORT_RS131"   "REPORT_RS140"              "REPORT_RS141"  
>
>Then I got an dataset with correspondent texts
>
>> text
>             ID                                                        
>TEXT
>1  REPORT_RS010_D                                               
>Statusrapport
>2  REPORT_RS011_D                                                    
>Ifyllnad
>3  REPORT_RS030_D                                                      
>Export
>4  REPORT_RS090_D                                                 
>Uppföljning
>5  REPORT_RS110_D                                                  
>Guidelines
>6  REPORT_RS120_D                            Korstabulering - en
>gruppvariabel
>7  REPORT_RS121_D               Korstabulering - jämförelse med andra
>enheter 
>8  REPORT_RS122_D Korstabulering- två klassvariabler och jämförelse med
>andra 
>9  REPORT_RS130_D                                                   
>Sjukdomar
>10 REPORT_RS131_D                              Sjukdomar och en
>gruppvariabel 
>11 REPORT_RS140_D                                                 
>Operationer
>12 REPORT_RS141_D                             Operationer och en
>gruppvariabel
>
>I what i want is to change the names of toPlot with the real texts so I
>tried this:
>names(toPlot)[names(toPlot)=="REPORT_RS140"]<-text[text$ID==paste("REPORT_RS140","_D",sep=""),2];
>
>that gave me this strange result
>
>> names(toPlot)
>[1] "REPORT_20"      "REPORT_21"      "REPORT_22"      "REPORT_23"     
>[5] "REPORT_24"      "REPORT_25"      "REPORT_QREP001" "REPORT_RS010"  
>[9] "REPORT_RS011"   "REPORT_RS030"   "REPORT_RS090"   "REPORT_RS110"  
>[13] "REPORT_RS120"   "REPORT_RS121"   "REPORT_RS122"   "REPORT_RS130" 
>
>[17] "REPORT_RS131"   "7"              "REPORT_RS141"  
>
>As you can see I got the number 7 instead of the text and I dont know
>why.
>Can anyone spot the error?
>
>//joel
>
>
>
>--
>View this message in context:
>http://r.789695.n4.nabble.com/Change-names-on-dataset-tp4091154p4091154.html
>Sent from the R help mailing list archive at Nabble.com.
>
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