Message-ID: <6B894662-13BB-45AC-B454-CA0DEE62F348@micromata.de>
Date: 2012-10-09T13:56:11Z
From: Jessica Streicher
Subject: other way of making a table?
In-Reply-To: <02ca11e6-dab1-4575-a95d-46da51667be0@email.android.com>
Yepp, i do not necessarily know them beforehand. Or maybe i should rather say that they may differ from time to time but i want to be able to just copy the code.
I can use your code that skips the first factor commands though, thanks.
On 09.10.2012, at 15:00, Jeff Newmiller wrote:
> Use factors?
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> Jessica Streicher <j.streicher at micromata.de> wrote:
>
>> I'm making tables for prediction results of classifiers (2 classes)
>> that show the usual numbers, true positives, false positives, etc
>>
>> I used the command
>>
>> table(predictedLabels,realLabels)
>>
>> to make those.
>>
>> I just had a case though ,where one of the label vectors had only one
>> class in it. This will result in only half a table.
>>
>> Compare:
>> x<-c(1,1,1,0,0)
>> y<-c(1,1,1,0,1)
>> table(x,y)
>>
>> to
>>
>> x<-c(1,1,1,0,0)
>> y<-c(1,1,1,1,1)
>> table(x,y)
>>
>> I want the second one to still have all 4 cases (second column all
>> zeros then).
>>
>> Any easy solutions?
>>
>> ______________________________________________
>> 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.
>