diff options
Diffstat (limited to 'R/plot.mkinfit.R')
-rw-r--r-- | R/plot.mkinfit.R | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/R/plot.mkinfit.R b/R/plot.mkinfit.R index 58ff88bc..3ca18c19 100644 --- a/R/plot.mkinfit.R +++ b/R/plot.mkinfit.R @@ -28,7 +28,8 @@ plot.mkinfit <- function(x, fit = x, add = FALSE, legend = !add, show_residuals = FALSE, maxabs = "auto", sep_obs = FALSE, rel.height.middle = 0.9, - lpos = "topright", inset = c(0.05, 0.05), ...) + lpos = "topright", inset = c(0.05, 0.05), + show_errmin = FALSE, errmin_digits = 3, ...) { if (add && show_residuals) stop("If adding to an existing plot we can not show residuals") if (add && sep_obs) stop("If adding to an existing plot we can not show observed variables separately") @@ -152,6 +153,22 @@ plot.mkinfit <- function(x, fit = x, col = col_obs[row_obs_vars], pch = pch_obs[row_obs_vars], lty = lty_obs[row_obs_vars]) } + # Show chi2 error value if requested + if (show_errmin) { + if (length(row_obs_vars) == 1) { + errmin_var = row_obs_vars + } else { + errmin_var = "All data" + if (length(row_obs_vars) != length(fit$mkinmod$map)) { + warning("Showing chi2 error level for all data, but only ", + row_obs_vars, " were selected for plotting") + } + } + + chi2 <- paste0(signif(100 * mkinerrmin(fit)[errmin_var, "err.min"], errmin_digits), "%") + mtext(bquote(chi^2 ~ "error level" == .(chi2)), cex = 0.7, line = 0.4) + } + # Show residuals if requested if (show_residuals) { residuals <- subset(fit$data, variable %in% row_obs_vars, residual) |