Message-ID: <6694B55A-C033-4225-9D57-7C91E9D3028E@comcast.net>
Date: 2012-11-10T16:21:20Z
From: David Winsemius
Subject: Prediction problem.
In-Reply-To: <1352562980.12031.YahooMailNeo@web171602.mail.ir2.yahoo.com>
On Nov 10, 2012, at 7:56 AM, bokaha guy wrote:
> Dear friends from the R-community,
>
> I am Guy Roger and live in Germany. I am student and user of R. I wanted to do some prediction after a linear regression fitting but could?nt because of the following message:
>
>> yx<-predict(lm(y~x4+x5),newdata=data.frame(X4,X5))
> Warnmeldung:
> In predict.lm(lm(y ~ x4 + x5), newdata = data.frame(X4, X5)) :
> Vorhersage durch Fit ohne vollen Rang mag t?uschen
I cannot read the error message, but I will bet dollars to donuts that it has to do with the fact that .... x4 ist nicht X4
--
David Winsemius, MD
Alameda, CA, USA