On 03/08/2011 3:04 PM, Jeffrey Joh wrote:
I have a matrix that looks like this:structure(c("0.0376673981759913", "0.111066500741386", "1", "1103", "18", "OPEN", "DEPR", "0.0404073656092023", "0.115186044704599", "1", "719", "18", "OPEN", "DEPR", "0.0665342096693433", "0.197570061769498", "1", "1103", "18", "OPEN", "DEPR", "0.119287147905722", "0.356427096010845", "1", "1103", "18", "OPEN", "DEPR"), .Dim = c(7L, 4L), .Dimnames = list( c("Sn", "SlnC", "housenum", "date", "hour", "flue", "pressurization" ), c("10019.BLO", "1002.BLO", "10020.BLO", "10021.BLO"))) How do I convert rows 1-5 to numeric? I tried mode()<- "numeric" but that doesn't change anything.
Every entry in a matrix has the same type, so you can't change just those rows other than by extracting them into a separate matrix and changing that.
Duncan Murdoch
I also tried converting this to a table then converting to numeric, but I got: (list) object cannot be coerced to type 'double' Jeff ______________________________________________ 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.
