Description Arguments Details Value See Also Examples
Bayesian Probit Regression
formula 
a symbolic representation of the model to be
estimated, in the form 
model 
the name of a statistical model to estimate. For a list of supported models and their documentation see: http://docs.zeligproject.org/articles/. 
data 
the name of a data frame containing the variables
referenced in the formula or a list of multiply imputed data frames
each having the same variable names and row numbers (created by

... 
additional arguments passed to 
by 
a factor variable contained in 
cite 
If is set to 'TRUE' (default), the model citation will be printed to the console. 
Additional parameters avaialable to this model include:
weights
: vector of weight values or a name of a variable in the dataset
by which to weight the model. For more information see:
http://docs.zeligproject.org/articles/weights.html.
burnin
: number of the initial MCMC iterations to be discarded (defaults to 1,000).
mcmc
: number of the MCMC iterations after burnin (defaults to 10,000).
thin
: thinning interval for the Markov chain. Only every thinth draw from the
Markov chain is kept. The value of mcmc must be divisible by this value. The default value is 1.
verbose
: defaults to FALSE. If TRUE, the progress of the sampler (every 10%) is
printed to the screen.
seed
: seed for the random number generator. The default is NA
which
corresponds to a random seed of 12345.
beta.start
: starting values for the Markov chain, either a scalar or vector with
length equal to the number of estimated coefficients. The default is NA
, such that the
maximum likelihood estimates are used as the starting values.
Use the following parameters to specify the model's priors:
b0
: prior mean for the coefficients, either a numeric vector or a scalar.
If a scalar value, that value will be the prior mean for all the coefficients. The default is 0.
B0
: prior precision parameter for the coefficients, either a square matrix (with
the dimensions equal to the number of the coefficients) or a scalar. If a scalar value, that
value times an identity matrix will be the prior precision parameter. The default is 0, which
leads to an improper prior.
Use the following arguments to specify optional output for the model:
bayes.resid
: defaults to FALSE. If TRUE, the latent Bayesian residuals for all
observations are returned. Alternatively, users can specify a vector of observations for
which the latent residuals should be returned.
Depending on the class of model selected, zelig
will return
an object with elements including coefficients
, residuals
,
and formula
which may be summarized using
summary(z.out)
or individually extracted using, for example,
coef(z.out)
. See
http://docs.zeligproject.org/articles/getters.html for a list of
functions to extract model components. You can also extract whole fitted
model objects using from_zelig_model
.
Vignette: http://docs.zeligproject.org/articles/zelig_probitbayes.html
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