Nothing
print.liu <- function(x, digits = max(5,getOption("digits") - 5),...) {
cat("Call:\n", paste(deparse(x$call), sep = "\n", collapse = "\n"), "\n\n", sep =
"")
#print(coef(x),digits=digits, ...)
print(round(coef(x),digits=digits))
cat("\n")
invisible(x)
}
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