Message-ID: <19082.33283.575239.602177@lynne.math.ethz.ch>
Date: 2009-08-18T10:27:15Z
From: Martin Maechler
Subject: [RsR] SES
In-Reply-To: <a28956f70908180124m39f5fb2fj9f9ed42143f0dde@mail.gmail.com>
PLEASE!
You already sent this to R-help .. which makes sense ..
do *NOT* send such questions to other mailing lists, like
'R-SIG-robust' to which it really does *not* belong.
Martin Maechler, ETH Zurich
>>>>> "AC" == Anwesha Chakrabarti <c.anwesha at gmail.com>
>>>>> on Tue, 18 Aug 2009 13:54:32 +0530 writes:
AC> Hi I was trying to estimate simultaneous equation system
AC> in R using systemfit. I used the following commands
>> library(systemfit) data(Kmenta) attach(Kmenta)
>> eqDemand<-consump~price+income
>> eqSupply<-consump~price+farmprice+trend
>> fitsur<-systemfit("SUR",list(demand=eqDemand,
>> supply=eqSupply))
AC> and got the following error messege
AC> Error in systemfit("SUR", list(demand = eqDemand, supply
AC> = eqSupply)) : argument 'formula' must be an object of
AC> class 'formula' or a list of objects of class 'formula'
AC> Can anyone tell me how to overcome this problem?
AC> regards
AC> Anwesha
AC> [[alternative HTML version deleted]]
AC> _______________________________________________
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AC> https://stat.ethz.ch/mailman/listinfo/r-sig-robust