[R] problem in tapply command

[Dimitris Rizopoulos]

probably you're looking for

tapply(slp_jeo2$slp, slp_jeo2$jeo, mean, na.rm = TRUE)


Best,
Dimitris

----
Dimitris Rizopoulos
Ph.D. Student
Biostatistical Centre
School of Public Health
Catholic University of Leuven

Address: Kapucijnenvoer 35, Leuven, Belgium
Tel: +32/(0)16/336899
Fax: +32/(0)16/337015
Web: http://med.kuleuven.be/biostat/
     http://www.student.kuleuven.be/~m0390867/dimitris.htm


----- Original Message ----- 
From: "temiz" <temiz at deprem.gov.tr>
To: <r-help at stat.math.ethz.ch>
Sent: Tuesday, April 24, 2007 7:21 PM
Subject: [R] problem in tapply command


> hello
>
> when I entered following command, I got NA values for some 
> catagories.
>
> > tapply(slp_jeo2$slp,slp_jeo2$jeo,mean )
>              999       Ca      Cka      DCy       Jh      JKi 
> Kk
> 14.06665       NA 14.60445       NA       NA       NA       NA 
> NA
>     KTa     KTac       Ku      Kua      Kus       Ky      Kyk 
> ODe
>      NA       NA       NA       NA       NA       NA       NA 
> 17.87489
>    PTRc       Qa       Tc    Tkisd
>      NA       NA       NA 19.64067
>
>
> how can I correct this problem ?
>
> regards
>
> -- 
> Ahmet Temiz
>
>
> -- 
> This message has been scanned for viruses and\ dangerous 
> con...{{dropped}}
>
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