Clark Allan wrote: > hi all > > hopefully some one can help. > > > assume that i imported the following data into R (say the data frame is > called a) > > x1 x2 x3 > 1 NA 3 > 1 2 NA > 1 2 3 > 3 NA 6 > 4 5 9 > 7 5 6 > 7 8 9 > NA 7 9 > > > How can i construct a new data frame that only contains those rows that > does not contain the NA's? is these a quick way? > > ie > > x1 x2 x3 > 1 2 3 > 4 5 9 > 7 5 6 > 7 8 9 > > > in this example we can simple use a[c(-1,-2,-4,-8),] but happens if we > have a larger dataframe? > > we need to construct some kind of row indicator telling R which rows > contains NA'S. > > is there an easier method?
na.omit(a) Uwe Ligges > / > allan > > > ------------------------------------------------------------------------ > > ______________________________________________ > [email protected] mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html ______________________________________________ [email protected] mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html
