Nothing
# Function to fix a certain parameter
fixpar <- function(
x, # Model
matrix, # Must be given
row, # Must be given
col, # Must be given
value = 0, # typical so can be missing
group, # Can be missing to indicate all
verbose,
log = TRUE,
runmodel = FALSE,
...){
if (missing(verbose)){
verbose <- x@verbose
}
if (missing(matrix)){
stop("'matrix' argument may not be missing")
}
if (length(matrix) > 1){
stop("'matrix' must be a string of length 1")
}
if (!matrix %in% x@parameters$matrix){
stop(paste0("'matrix' argument must be one of the modeled matrices: ", paste0(unique(x@matrices$name),collapse=", ")))
}
if (missing(row)){
stop("'row' argument must be given")
}
if (missing(col)){
stop("'col' argument must be given")
}
# If groups is missing, just do all groups:
if (missing(group)){
group <- x@sample@groups$id
}
# If row is character, convert to number:
if (is.character(row) | is.character(col)){
labs <- labtoind(x,row,col,matrix)
}
if (is.character(row)){
row <- labs$row
}
if (is.character(col)){
col <- labs$col
}
# If the matrix is symmetric, make sure col contains the lower number:
if (x@matrices$symmetric[x@matrices$name == matrix]){
row0 <- row
col0 <- col
col <- pmin(row0,col0)
row <- pmax(row0,col0)
# row <- c(row0,col0)
# col <- c(col0,row0)
}
# which to fix:
whichCons <- which(x@parameters$matrix == matrix & x@parameters$row %in% row & x@parameters$col %in% col & !x@parameters$fixed & x@parameters$group_id %in% group)
# Length0?
if (length(whichCons) == 0){
if (verbose) message("No parameters need to be fixed")
return(x)
}
# current max par:
curMax <- max(x@parameters$par)
# Set the model to be not computed:
x@computed <- FALSE
# Fix the parameters:
x@parameters$est[whichCons] <- value
# x@parameters$std[whichCons] <- NA
x@parameters$par[whichCons] <- 0
# x@parameters$se[whichCons] <- NA
# x@parameters$p[whichCons] <- NA
# x@parameters$mi[whichCons] <- NA
# x@parameters$pmi[whichCons] <- NA
# x@parameters$mi_equal[whichCons] <- NA
# x@parameters$pmi_equal[whichCons] <- NA
x@parameters$fixed[whichCons] <- TRUE
x@parameters <- clearpars(x@parameters,whichCons)
# Relabel:
x@parameters <- parRelabel(x@parameters)
# Output:
if (verbose){
message(paste0("Fixed ",curMax - max(x@parameters$par)," parameters!"))
}
# Write to log:
if (log){
# Add log:
x <- addLog(x, paste0("Fixed element(s) of ",matrix,": ",curMax - max(x@parameters$par)," parameters!"))
}
# Rerun if needed:
if (runmodel){
x <- x %>% runmodel(verbose=verbose,...)
}
return(x)
}
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