[R] Problem with Freq function {prettyR}

From: Udo <ukoenig_at_med.uni-marburg.de>
Date: Thu, 12 Jun 2008 17:58:24 +0200

Dear list,
I have a problem with freq from prettyR.

Please have a look at my syntax with a litte example:


#Version 1

test.df<-data.frame(q1=sample(1:4,8,TRUE), gender=sample(c("f","m"),8,TRUE)) test.df
freq(test.df) #No error message

#Version 2

test.df<-data.frame(gender=sample(c("f","m"),8,TRUE), q1=sample(1:4,8,TRUE)) test.df

Error message: "Error in vector("integer", length) : Vector size canīt be NA"

Can someone tell me, why an error message occurs in version two? I am helpless...

Thanks in advance!

Udo K ö n i g

Clinic for Child an Adolescent Psychiatry Philipps University of Marburg / Germany

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