Rough sketch: lookup.vec <- elencositi$nome.sito names(ookup.vec) <- elencositi$indirezzo.sito
dati$FONTE <- lookup.vec(dati$FONTE) This, however, assumes that elencositi has all the values that con occur. > On 8 Feb 2017, at 10:27, Luca Meyer <lucam1...@gmail.com> wrote: > > Hi, > > I am working on the following file: > >> str(elencositi) > 'data.frame': 641 obs. of 2 variables: > $ indirizzo.sito: chr "10ahora.com.ar" "abceconomia.co" "accmag.com" " > actu.orange.fr" ... > $ nome.sito : chr "10ahora" "ABC economia" "Acc Magazine" "Orange > Actu" ... > >> head(elencositi) > indirizzo.sito nome.sito > 1 10ahora.com.ar 10ahora > 2 abceconomia.co ABC economia > 3 accmag.com Acc Magazine > 4 actu.orange.fr Orange Actu > 5 affaires.lapresse.ca La Presse > 6 agipapress.blogspot.it Agigapress > > Which is regularly updated and I consequently need to update a procedure > that takes elencositi data to update dati$FONTE as indicated below: > > dati$FONTE <- ifelse(dati$FONTE=='10ahora.com.ar','10ahora',dati$FONTE) > dati$FONTE <- ifelse(dati$FONTE=='abceconomia.co','ABC economia',dati$FONTE) > dati$FONTE <- ifelse(dati$FONTE=='accmag.com','Acc Magazine',dati$FONTE) > > Currently I am using a time consuming procedure involving Excel to update > that, but how can I make that automatic? > > Thank you in advance, > > Luca > > [[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. ______________________________________________ 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.
