[R] Adding a row at top of dataframe

[Nikhil Kaza]

Does this work?

data(cars)
cars2 <- cars
cars2[2:nrow(cars)+1,] <- cars2[1:nrow(cars),]
cars2[1,] <- NA



Nikhil Kaza
Asst. Professor,
City and Regional Planning
University of North Carolina

nikhil.list at gmail.com



On May 17, 2010, at 11:28 AM, ecvetano at 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!
>
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