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tollcall
2008 Sep 19
0
problems with too many NA in the function ideal() from pscl package.
...13)
my code is simple the following:
> m_a <- ideal(a, maxiter = 1000, thin = 10, burnin = 50,
+ store.item = TRUE, normalize=T,
+ priors=list(xp=1e-12,xpv=1e-12,bp=1e-12,bpv=1e-12), verbose=T)
ideal: analysis of roll call data via Markov chain Monte Carlo methods.
Subsetting rollcall object a using dropList
Using the following codes to represent roll call votes:
Yea: 1
Nay: 0
Abstentions: NA
Not In Legislature: 9
Ideal Point Estimation
Number of Legislators 30
Number of Items 1172
checking for any user-supplied priors...
checking start values...
will use eigen-de...