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-rw-r--r--R/lrtest.mkinfit.R9
1 files changed, 9 insertions, 0 deletions
diff --git a/R/lrtest.mkinfit.R b/R/lrtest.mkinfit.R
index a5689830..380cf3a5 100644
--- a/R/lrtest.mkinfit.R
+++ b/R/lrtest.mkinfit.R
@@ -18,6 +18,8 @@ lmtest::lrtest
#' parameters (alternative hypothesis) is listed first, then the model with the
#' lower number of fitted parameters (null hypothesis).
#'
+#' The method for mmkin objects only works for column objects with two members.
+#'
#' @importFrom stats logLik update
#' @param object An \code{\link{mkinfit}} object
#' @param object_2 Optionally, another mkinfit object fitted to the same data.
@@ -68,3 +70,10 @@ lrtest.mkinfit <- function(object, object_2 = NULL, ...) {
lmtest::lrtest.default(object_2, object, name = name_function)
}
}
+
+#' @rdname lrtest.mkinfit
+#' @export
+lrtest.mmkin <- function(object, ...) {
+ if (nrow(object) != 2 | ncol(object) > 1) stop("Only works for a column containing two mkinfit objects")
+ lrtest(object[[1, 1]], object[[2, 1]])
+}

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