Re: [R] Replace values in a dataframe

Try this:  dat=structure(list(Color = c("5", "<4","5", "<5", "5"), Unit = c("Hazen","Hazen","Hazen", "Hazen", "Hazen")), .Names = c("Color", "Unit"), row.names =c("1:2","1:3", "1:4", "1:5","1:6"), class = "data.frame") dat=as.data.frame(dat)dat$col2 <- rep(" ", nrow(dat))dat[dat$Color == "<4", ][

Re: [R] Replace values in a dataframe

Is the following what you want: (z is your data frame) > change <-c("2","2.5") > names(change) <- c("<4","<5") (note: this can be automated using regular expressions and will work for lots more values to change. Sarah's ifelse() solution is fine for the example, but becomes too cumbersome (as sh

Re: [R] Replace values in a dataframe

Hi Shane, On Wed, Jun 17, 2015 at 1:31 PM, Shane Carey wrote: > Hey all, > > I have a dataframe that consists of: > > structure(list(Color = c("5", "<4","5", "<5", "5"), Unit = c("Hazen", > "Hazen", > "Hazen", "Hazen", "Hazen")), .Names = c("Color", "Unit"), row.names = > c("1:2", > "1:3", "1:4",

[R] Replace values in a dataframe

Hey all, I have a dataframe that consists of: structure(list(Color = c("5", "<4","5", "<5", "5"), Unit = c("Hazen", "Hazen", "Hazen", "Hazen", "Hazen")), .Names = c("Color", "Unit"), row.names = c("1:2", "1:3", "1:4", "1:5","1:6"), class = "data.frame") I need to find the <4 and have a new colum