THanks, Chuck! I figured it out already, these were not row numbers at all! It just counted down along the columns.
On 10/23/07, Charles C. Berry <[EMAIL PROTECTED]> wrote: > On Tue, 23 Oct 2007, Sergey Goriatchev wrote: > > > Hello, > > > > I have a question regarding the following output: > > > >> database <- read.delim(file=path.input.file, header=TRUE, dec=".", > >> sep="\t", na.strings = "#NV") > >> str(database) > > 'data.frame': 314 obs. of 13 variables: > > $ S : Factor w/ 314 levels "307073","400212",..: 147 72 299 137 > > 162 62 189 236 134 307 ... > > $ A : Factor w/ 314 levels "Alfa",...: 285 258 197 3 81 162 183 272 > > 73 301 ... > > $ M: Factor w/ 19 levels "@NA","A",..: 18 10 11 6 7 12 17 17 11 6 ... > > $ W : num 0 0 0 0 0 ... > > $ T : num 0.0467 0.1095 0.0252 0.0821 -0.0275 ... > > $ C : num 0 0 0 0 0 ... > > $ MF : num -0.658 0.261 0.922 -1.897 -1.884 ... > > $ V : num 0.0585 -1.0852 -0.3156 -1.0592 0.2810 ... > > $ G : num -0.568 -1.302 0.225 -1.473 -0.541 ... > > $ Mo : num 0.34967 0.42807 -0.41407 -0.18216 -0.00305 ... > > $ R : num -0.5413 -2.0000 0.5353 -1.1437 -0.0776 ... > > $ Tr : num -0.12816 1.04148 0.00647 -0.02424 -1.66834 ... > > $ Su : num -1.611 1.160 -0.528 -0.091 -1.148 ... > >> which(is.na(database)) > > [1] 675 704 774 887 > > > > So, I have 314 observations, but there are unknown NA observations! > > I remove one observation (for certain reasons), and remove the > > corresponding factor level, then: > >> str(database) > > 'data.frame': 313 obs. of 13 variables: > > .... > >> which(is.na(database)) > > [1] 673 702 772 885 > > > > The removal of ONE observation moves NAs by two positions. > > > > Maybe someone have an idea what these NA observations mean???? > > > If you mean why they move by two positions, I do. > > But you can figure this out, if you do this: > > which( is.na(database) , arr.ind = TRUE ) > > and maybe this > > row( database ) > col( database ) > > Chuck > > > Thanks in advance for your time and help! > > > > Sergey > > University of Zurich > > > > ______________________________________________ > > 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. > > > > Charles C. Berry (858) 534-2098 > Dept of Family/Preventive Medicine > E mailto:[EMAIL PROTECTED] UC San Diego > http://famprevmed.ucsd.edu/faculty/cberry/ La Jolla, San Diego 92093-0901 > > > -- Laziness is nothing more than the habit of resting before you get tired. /Jules Renard Experience is one thing you can't get for nothing. /Oscar Wilde When you are finished changing, you're finished. /Benjamin Franklin There are three kinds of lies: lies, damned lies, and statistics. /Benjamin Disraeli Youth is a blunder; manhood a struggle; old age a regret. /Benjamin Desraeli ______________________________________________ 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.