Saji Ren wrote: > Hello, Mr Dalgaard: > > you're right about the problem. > > "Works for me, so there's something you're not telling us.... Possibly > that x is not a vector (a data frame, maybe?)." > > the mistake message is below: > Error in if (track01[i] > 1) track01[i] <- 1 : > missing value where TRUE/FALSE needed > > the track01 above is my data, I've used a rnorm(500) data series instead, > and the code works!! > > One thing I do know is that my "track01" data has NaN data. > So I guess the system can not perform the code " if (track01[i] > 1)" when > track01[i]=NaN, or the result is missing value, thus it need a TRUE/FALSE > > is there any command to replace the "NaN" value with 1 in an efficient way?
Usually, you'd safeguard the if with "if (is.na(x[i]) || x[i] > 1)..." or "if (!is.na(...) && ...)", depending on what you want. BTW, notice also that pmin has an na.rm argument. -- Peter Dalgaard Center for Statistics, Copenhagen Business School Phone: (+45)38153501 Email: pd....@cbs.dk Priv: pda...@gmail.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.
