Nothing
dynIRT <- function(.data,
.starts = NULL,
.priors = NULL,
.control = NULL
) {
cl <- match.call()
divider <- c(paste(rep("=", 20), sep = "", collapse = ""), "\n")
## Default Control
default <- list(threads = 1L,
verbose = FALSE,
maxit = 500,
thresh = 1e-6,
checkfreq = 50
)
cat("\n")
cat(divider)
cat("dynIRT: Dynamic IRT via Variational Inference\n\n")
## Main Call to Computation
ret <- .Call('dynIRT_estimate',
PACKAGE = 'emIRT',
.starts$alpha,
.starts$beta,
.starts$x,
.data$rc,
.data$startlegis,
.data$endlegis,
.data$bill.session,
.data$T,
.priors$x.mu0,
.priors$x.sigma0,
.priors$beta.mu,
.priors$beta.sigma,
.priors$omega2,
ifelse(!is.null(.control$threads), .control$threads, default$threads),
ifelse(!is.null(.control$verbose), .control$verbose, default$verbose),
ifelse(!is.null(.control$maxit), .control$maxit, default$maxit),
ifelse(!is.null(.control$thresh), .control$thresh, default$thresh),
ifelse(!is.null(.control$checkfreq), .control$checkfreq, default$checkfreq)
)
cat(paste("\t",
"Done in ",
ret$runtime$iters,
" iterations, using ",
ret$runtime$threads,
" threads.",
"\n",
sep = ""
)
)
rownames(ret$means$x) <- rownames(.data$rc)
rownames(ret$vars$x) <- rownames(.data$rc)
rownames(ret$means$alpha) <- colnames(.data$rc)
rownames(ret$means$beta) <- colnames(.data$rc)
rownames(ret$vars$alpha) <- colnames(.data$rc)
rownames(ret$vars$beta) <- colnames(.data$rc)
cat(divider)
ret$call <- cl
class(ret) <- "dynIRT"
return(ret)
}
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