Parameter history extraction
par.hist(x, stacked = FALSE, ...)# S3 method for nlmixr.ui.saem
par.hist(x, stacked = FALSE, ...)
# S3 method for nlmixr.ui.focei.fit
par.hist(x, stacked = FALSE, ...)
object to extract parameter history from
Should the data frame be stacked (default FALSE)
Other parameters (currently ignored)
A data frame with the parameter history. NULL if no information is available