[R] how to skip certain rows when reading data

Prof Brian Ripley ripley at stats.ox.ac.uk
Fri Jul 28 08:40:21 CEST 2006

On Thu, 27 Jul 2006, jz7 at duke.edu wrote:

> Dear all,
> I am reading the data using "read.table". However, there are a few rows I
> want to skip. How can I do that in an easy way? Suppose I know the row
> number that I want to skip. Thanks so much!

The easy way is to read the whole data frame and using indexing (see `An 
Introduction to R') to remove the rows you do not want to retain.
E.g. to remove rows 17 and 137

mydf <- read.table(...)[-c(17, 137), ]

Brian D. Ripley,                  ripley at stats.ox.ac.uk
Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
University of Oxford,             Tel:  +44 1865 272861 (self)
1 South Parks Road,                     +44 1865 272866 (PA)
Oxford OX1 3TG, UK                Fax:  +44 1865 272595

More information about the R-help mailing list