[R] Adding a row at top of dataframe

[Peter Ehlers]

On 2010-05-17 11:14, Nikhil Kaza wrote:
> Does this work?
>
> data(cars)
> cars2 <- cars
> cars2[2:nrow(cars)+1,] <- cars2[1:nrow(cars),]
> cars2[1,] <- NA

Not for me. Did you try it?

  -Peter Ehlers

>
> 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!
>>