[R] to extract data

djhurio Martins.Liberts at gmail.com
Mon Apr 20 10:03:02 CEST 2009


Hi,

Try this one:

beechworth.dt.2 <- beechworth.dt[beechworth.dt$Year>="1927" &
beechworth.dt$Year<="2007",]


Martins



On Apr 20, 9:59 am, Roslina Zakaria <zrosl... at yahoo.com> wrote:
> Hi R-users,
>
> I have a set of data from 1958-2009, how do I extract the data from 1927 and 2007?
>  
> beechworth.dt
>      Year Month  Rain
> 1    1858     3  21.8
> 2    1858     4  47.0
> 3    1858     5  70.1
> 4    1858     6  78.7
> 5    1858     7 101.6
> 6    1858     8 129.8
> 7    1858     9  80.8
> 8    1858    10  41.9
>  ...
>  
>      2009    ......
>  
>  
> I tried:
>  
>  beechworth.dt.2 <- beechworth.dt[beechworth.dt$Year=="1927":"2007",]
>  
> and got
>  
> Warning message:
> In beechworth.dt$Year == "1927":"2007" :
>   longer object length is not a multiple of shorter object length
>  
> Thank you so much for any help given.
>
> ______________________________________________
> R-h... at r-project.org mailing listhttps://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guidehttp://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.



More information about the R-help mailing list