er... Uwe, shouldn't that be, e.g. dataframe$Cheque <- as.integer(dataframe$Cheque)
## or building on Rolf's suggestion dataframe <- within(dataframe, Cheque <- as.integer(Cheque)) While I am at it, is there any practical difference in efficiency between these two approaches? -- Bert 2011/11/30 Uwe Ligges <lig...@statistik.tu-dortmund.de>: > > > On 30.11.2011 09:16, arunkumar1111 wrote: >> >> hi >> >> I have data like this in a dataframe >> >> Var Value Cheque >> X1 40 FALSE >> X2 20 FALSE >> X3 28 TRUE >> >> I want to replace it FLASE with 0 and TRUE with 1. >> >> is there any method by which i can do without using LOOP > > > > dataframe$Cheque <- as.integer(Cheque) > > Uwe Ligges > > >> >> -- >> View this message in context: >> http://r.789695.n4.nabble.com/Replacing-a-value-in-a-dataframe-tp4122188p4122188.html >> Sent from the R help mailing list archive at Nabble.com. >> >> ______________________________________________ >> 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. > > > ______________________________________________ > 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. -- Bert Gunter Genentech Nonclinical Biostatistics Internal Contact Info: Phone: 467-7374 Website: http://pharmadevelopment.roche.com/index/pdb/pdb-functional-groups/pdb-biostatistics/pdb-ncb-home.htm ______________________________________________ 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.