[R] qqmath - Lattice error

From: Witold Wolski <wewolski_at_gmail.com>
Date: Fri 26 May 2006 - 07:13:44 EST


Hi,

Don't have a clue what teh following error message

generated by this function call:
qqmath( ~val|ind,data = xx

,distribution = function(p){ qt(p,df=20)}
,ylab="Sample Quatinles"
,xlab="Theoretical Quantiles"

,panel=function(x,y)

       {
         panel.qqmathline(y
                          , distribution=function(p) qt(p,df=20)
                          ,col=2)
         panel.qqmath(x, y
                      , distribution=function(p) qt(p,df=20)
                      ,pch=".",cex=2)
       }

)

means. Espacially that this function call

qqmath( ~val|ind,data = xx

,distribution = function(p){ qt(p,df=20)}
,ylab="Sample Quatinles"
,xlab="Theoretical Quantiles"
)

with the same data is working.

Thanks in advance for suggestions.

Eryk

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