R help - Jul 2010 - object of class madata

Hi,

Am using maanova package for doing anova.But am getting error like
this..plz, help me regarding this..
> TGR=read.madata("rmaexpr.dat",designfile="design.dat")
Reading one color array.
 Otherwise change arrayType='twoColor' then read the data again
Warning messages:
1: In read.madata("rmaexpr.dat", designfile = "design.dat")
:
  Assume that the first column is probeid. If you have probeid specify it,
otherwise set 'probeid=0' then read the data again

2: In read.madata("rmaexpr.dat", designfile = "design.dat")
:
  Assume that intensity value is saved from the second column. Otherwise
provide 'intensity' (first column storing intensity) information, and
read
the data again
> fit.fix=fitmaanova(TGR,formula=sample,random=~1)
Error in x$terms : object of type 'closure' is not subsettable
> fit.fix=fitmaanova("TGR",formula=sample,random=~1)
Error in fitmaanova("TGR", formula = sample, random = ~1) :
  The first input variable is not an object of class madata.

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