Re: [R] Converting column of strings to boolean

2013-01-27 Thread domcastro
Thanks all. I will give them all a go and let you know the outcome. kind regards -- View this message in context: http://r.789695.n4.nabble.com/Converting-column-of-strings-to-boolean-tp4656739p4656774.html Sent from the R help mailing list archive at Nabble.com. _

Re: [R] Converting column of strings to boolean

2013-01-27 Thread Rui Barradas
Hello, Something like this? x <- sample(c("red", "blue", "green", "yellow"), 100, replace = TRUE) cnames <- unique(x) sapply(cnames, function(.x) x == .x) Hope this helps, Rui Barradas Em 26-01-2013 22:25, domcastro escreveu: Hi I'm trying to convert a column of strings (nominal types) to

Re: [R] Converting column of strings to boolean

2013-01-27 Thread arun
Sent: Saturday, January 26, 2013 6:27 PM Subject: Re: [R] Converting column of strings to boolean domcastro wrote > Hi > > I'm trying to convert a column of strings (nominal types) to a set of > boolean / binary / logical values. For example, in the column there is > red, blue, g

[R] Converting column of strings to boolean

2013-01-27 Thread domcastro
Hi I'm trying to convert a column of strings (nominal types) to a set of boolean / binary / logical values. For example, in the column there is red, blue, green and yellow. There are 100 rows and each has a colour. I want to convert the column to 4 columns: red, blue, green,yellow and then either

Re: [R] Converting column of strings to boolean

2013-01-26 Thread Pete Brecknock
domcastro wrote > Hi > > I'm trying to convert a column of strings (nominal types) to a set of > boolean / binary / logical values. For example, in the column there is > red, blue, green and yellow. There are 100 rows and each has a colour. I > want to convert the column to 4 columns: red, blue, g