aboutsummaryrefslogtreecommitdiff
path: root/R
diff options
context:
space:
mode:
Diffstat (limited to 'R')
-rw-r--r--R/parplot.R19
-rw-r--r--R/saem.R3
2 files changed, 17 insertions, 5 deletions
diff --git a/R/parplot.R b/R/parplot.R
index 627a4eb8..98579779 100644
--- a/R/parplot.R
+++ b/R/parplot.R
@@ -4,6 +4,10 @@
#' 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.
@@ -32,7 +36,7 @@ parplot.multistart.saem.mmkin <- function(object, llmin = -Inf, scale = c("best"
orig <- attr(object, "orig")
orig_parms <- parms(orig)
- start_parms <- orig$mean_dp_start
+ start_degparms <- orig$mean_dp_start
all_parms <- parms(object)
if (inherits(object, "multistart.saem.mmkin")) {
@@ -49,18 +53,18 @@ parplot.multistart.saem.mmkin <- function(object, llmin = -Inf, scale = c("best"
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]]$transform_fractions)
- degparm_names <- names(start_parms)
+ degparm_names <- names(start_degparms)
names(orig_parms) <- c(degparm_names, names(orig_parms[-degparm_index]))
@@ -72,6 +76,13 @@ parplot.multistart.saem.mmkin <- function(object, llmin = -Inf, scale = c("best"
colnames(selected_parms)[1:length(degparm_names)] <- degparm_names
}
+ start_errparms <- orig$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]), ],
diff --git a/R/saem.R b/R/saem.R
index 696ea0ee..c77ff70f 100644
--- a/R/saem.R
+++ b/R/saem.R
@@ -149,7 +149,7 @@ saem.mmkin <- function(object,
covariates = NULL,
covariate_models = NULL,
no_random_effect = NULL,
- error.init = c(3, 0.1),
+ error.init = c(1, 1),
nbiter.saemix = c(300, 100),
control = list(displayProgress = FALSE, print = FALSE,
nbiter.saemix = nbiter.saemix,
@@ -708,6 +708,7 @@ saemix_model <- function(object, solution_type = "auto",
covariance.model = covariance.model,
covariate.model = covariate.model,
omega.init = omega.init,
+ error.init = error.init,
...
)
attr(res, "mean_dp_start") <- degparms_optim

Contact - Imprint