[R] plotting question

[David Winsemius]

On Mar 14, 2009, at 5:14 PM, David Kaplan wrote:

> Greetings all,
>
> I have two questions.  I have a data set that is arranged in the  
> example below.  I wish to obtain a plot of the performance of each  
> ID over Year on v1.  It's not clear how I set this up?
> ID  Year   V1  1   1980    1  1   1981    2 1   1982    6
> 1   1983    4
> 2   1980    5
> 2   1981    5
> 2   1982    5
> 2   1983    6

?xyplot
?formula

>
>
> Also,I would like to transpose the data to have the variable across  
> the columns such as
>
> ID   v1980   v1981 v1982 v1983
> 1       1       2      6   4
> 2       5       5      5   6

?reshape

  # or
require(reshape)
?cast

>
>
>
> Is there a straightforward way to do this in R?
>
> Thanks in advance,
>
> David
>
> -

David Winsemius, MD
Heritage Laboratories
West Hartford, CT