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Message-ID: <87vdp529d8.fsf@lumen.indyrad.iupui.edu>
Date: 2009-04-15T16:02:27Z
From: Michael A. Miller
Subject: nls factor
In-Reply-To: <1239808782.12893.13.camel@localhost.localdomain> (Manuel Morales's message of "Wed\, 15 Apr 2009 11\:19\:42 -0400")

>>>>> "Manuel" == Manuel Morales <Manuel.A.Morales at williams.edu> writes:

    > nls(y ~ a[fac]*x^b, start=list(a=c(1,1), b=0.25))

Did you mean a[f]?

nls(y ~ a[f]*x^b, start=list(a=c(1,1), b=0.25))

Mike