R help - Jan 2007 - sort dataframe by field

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say your data.frame is called "df"

df[order(df$evidence),]

or

df[order(df$evidence, decreasing=T),] # if you want the other way  
around.

b

On Jan 17, 2007, at 11:21 AM, Milton Cezar Ribeiro wrote:
> Hi there,
>
>   How can I sort (order?) a data.frame using a dataframe field  
> (evidence) as classifyer? My data.frame looks like:
>
>   record           model   evidence
> 1             areatotha 6638.32581
> 2       areatotha_ca000 8111.01860
> 3  areatotha_ca000_Pais 1721.41828
> 4       areatotha_ca020  827.33097
> 5  areatotha_ca020_Pais 2212.40899
> 6       areatotha_ca040 3569.17169
> 7  areatotha_ca040_Pais 2940.01636
> 8       areatotha_ca060  992.62852
> 9  areatotha_ca060_Pais 4237.95709
> 10      areatotha_ca080   62.74915
> 11 areatotha_ca080_Pais 1726.55082
> 12       areatotha_Pais   52.02524
> 13      areatotha_ca000 3391.92930
> 14 areatotha_ca000_Pais   39.52170
> 15      areatotha_ca020  268.55875
> 16 areatotha_ca020_Pais   20.43317
> 17      areatotha_ca040 1698.75892
> 18 areatotha_ca040_Pais   43.90613
> 19      areatotha_ca060  350.79857
> 20 areatotha_ca060_Pais   51.04471
>
>   Cheers,
>
>   Miltinho, Brazil
>
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