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-rw-r--r--R/parplot.R39
1 files changed, 29 insertions, 10 deletions
diff --git a/R/parplot.R b/R/parplot.R
index 627a4eb8..3da4b51a 100644
--- a/R/parplot.R
+++ b/R/parplot.R
@@ -4,9 +4,16 @@
#' either by the parameters of the run with the highest likelihood,
#' or by their medians as proposed in the paper by Duchesne et al. (2021).
#'
+#' Starting values of degradation model parameters and error model parameters
+#' are shown as green circles. The results obtained in the original run
+#' are shown as red circles.
+#'
#' @param object The [multistart] object
#' @param llmin The minimum likelihood of objects to be shown
-#' @param scale By default, scale parameters using the best available fit.
+#' @param llquant Fractional value for selecting only the fits with higher
+#' likelihoods. Overrides 'llmin'.
+#' @param scale By default, scale parameters using the best
+#' available fit.
#' If 'median', parameters are scaled using the median parameters from all fits.
#' @param main Title of the plot
#' @param lpos Positioning of the legend.
@@ -16,7 +23,7 @@
#' of the in vitro erythropoiesis. BMC Bioinformatics. 2021 Oct 4;22(1):478.
#' doi: 10.1186/s12859-021-04373-4.
#' @seealso [multistart]
-#' @importFrom stats median
+#' @importFrom stats median quantile
#' @export
parplot <- function(object, ...) {
UseMethod("parplot")
@@ -24,7 +31,8 @@ parplot <- function(object, ...) {
#' @rdname parplot
#' @export
-parplot.multistart.saem.mmkin <- function(object, llmin = -Inf, scale = c("best", "median"),
+parplot.multistart.saem.mmkin <- function(object, llmin = -Inf, llquant = NA,
+ scale = c("best", "median"),
lpos = "bottomleft", main = "", ...)
{
oldpar <- par(no.readonly = TRUE)
@@ -32,8 +40,8 @@ parplot.multistart.saem.mmkin <- function(object, llmin = -Inf, scale = c("best"
orig <- attr(object, "orig")
orig_parms <- parms(orig)
- start_parms <- orig$mean_dp_start
- all_parms <- parms(object)
+ start_degparms <- orig$mean_dp_start
+ all_parms <- parms(object, exclude_failed = FALSE)
if (inherits(object, "multistart.saem.mmkin")) {
llfunc <- function(object) {
@@ -44,23 +52,27 @@ parplot.multistart.saem.mmkin <- function(object, llmin = -Inf, scale = c("best"
stop("parplot is only implemented for multistart.saem.mmkin objects")
}
ll <- sapply(object, llfunc)
+ if (!is.na(llquant[1])) {
+ if (llmin != -Inf) warning("Overriding 'llmin' because 'llquant' was specified")
+ llmin <- quantile(ll, 1 - llquant)
+ }
selected <- which(ll > llmin)
selected_parms <- all_parms[selected, ]
par(las = 1)
if (orig$transformations == "mkin") {
- degparm_names_transformed <- names(start_parms)
+ degparm_names_transformed <- names(start_degparms)
degparm_index <- which(names(orig_parms) %in% degparm_names_transformed)
orig_parms[degparm_names_transformed] <- backtransform_odeparms(
orig_parms[degparm_names_transformed],
orig$mmkin[[1]]$mkinmod,
transform_rates = orig$mmkin[[1]]$transform_rates,
transform_fractions = orig$mmkin[[1]]$transform_fractions)
- start_parms <- backtransform_odeparms(start_parms,
+ start_degparms <- backtransform_odeparms(start_degparms,
orig$mmkin[[1]]$mkinmod,
transform_rates = orig$mmkin[[1]]$transform_rates,
transform_fractions = orig$mmkin[[1]]$transform_fractions)
- degparm_names <- names(start_parms)
+ degparm_names <- names(start_degparms)
names(orig_parms) <- c(degparm_names, names(orig_parms[-degparm_index]))
@@ -72,6 +84,13 @@ parplot.multistart.saem.mmkin <- function(object, llmin = -Inf, scale = c("best"
colnames(selected_parms)[1:length(degparm_names)] <- degparm_names
}
+ start_errparms <- orig$so@model@error.init
+ names(start_errparms) <- orig$so@model@name.sigma
+
+ start_omegaparms <- orig$so@model@omega.init
+
+ start_parms <- c(start_degparms, start_errparms)
+
scale <- match.arg(scale)
parm_scale <- switch(scale,
best = selected_parms[which.best(object[selected]), ],
@@ -99,7 +118,7 @@ parplot.multistart.saem.mmkin <- function(object, llmin = -Inf, scale = c("best"
legend(lpos, inset = c(0.05, 0.05), bty = "n",
pch = 1, col = 3:1, lty = c(NA, NA, 1),
legend = c(
- "Starting parameters",
- "Original run",
+ "Original start",
+ "Original results",
"Multistart runs"))
}

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