Try this:

> x <- data.frame(a=1:10, b=1:10)
> x
    a  b
1   1  1
2   2  2
3   3  3
4   4  4
5   5  5
6   6  6
7   7  7
8   8  8
9   9  9
10 10 10
> # add a row at the top
> x <- x[c(1,seq(nrow(x))),]
> x
     a  b
1    1  1
1.1  1  1
2    2  2
3    3  3
4    4  4
5    5  5
6    6  6
7    7  7
8    8  8
9    9  9
10  10 10
>
> # fill in with the values you want.
> x[1,] <- NA

On Mon, May 17, 2010 at 11:28 AM, <ecvetano@uwaterloo.ca> wrote:

> I have a large data frame 48:2185 with different numbers.
> I would like to add only one row at the very top of my data frame with 0's
> or NA's.
> I don't know which approach to use. Should i create 2 different data frames
> and merge them? Ive also tried the rbind command with no luck. I would
> appreciate some help to achieve what I'm trying to create.
> Thanks!
>
> ______________________________________________
> 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<http://www.r-project.org/posting-guide.html>
> and provide commented, minimal, self-contained, reproducible code.
>



-- 
Jim Holtman
Cincinnati, OH
+1 513 646 9390

What is the problem that you are trying to solve?

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