[R] ROC curve in R

[Frank E Harrell Jr]

On 07/01/2010 01:33 PM, Changbin Du wrote:
> Read the ROCR package, it is very good.

Just be sure you really need an ROC curve.  More often than not it gets 
in the way of understanding.

Frank

>
>
>
>
>
> On Thu, Jul 1, 2010 at 9:50 AM, ashu6886<ashu.infy.mits at gmail.com>  wrote:
>
>>
>> Hi,
>>
>> i have a fairly large amount of genomic data. I have created a dataframe
>> which has "Reference" as one column and "Variation" as another. I want to
>> plot a ROC curve based on these 2 columns. I have serached the R manual but
>> I could not understand. Can anybody help me with the R code for plotting
>> ROC
>> curve.
>>
>> Thnx
>> ashu6886
>> --
>> View this message in context:
>> http://r.789695.n4.nabble.com/ROC-curve-in-R-tp2275431p2275431.html
>> Sent from the R help mailing list archive at Nabble.com.
>>
>> ______________________________________________
>> R-help at r-project.org mailing list
>> https://stat.ethz.ch/mailman/listinfo/r-help
>> PLEASE do read the posting guide
>> http://www.R-project.org/posting-guide.html
>> and provide commented, minimal, self-contained, reproducible code.
>>
>
>
>


-- 
Frank E Harrell Jr   Professor and Chairman        School of Medicine
                      Department of Biostatistics   Vanderbilt University