Option to add residual plot to plot.mkinfit

1 files changed, 14 insertions, 15 deletions

diff --git a/R/mkinresplot.R b/R/mkinresplot.R
index 524ba78..07bd7df 100644
--- a/R/mkinresplot.R
+++ b/R/mkinresplot.R
@@ -1,7 +1,5 @@
-# $Id$

-

-# Copyright (C) 2008-2011 Katrin Lindenberger and Johannes Ranke

-# Contact: mkin-devel@lists.berlios.de

+# Copyright (C) 2008-2014 Johannes Ranke

+# Contact: jranke@uni-bremen.de

 

 # This file is part of the R package mkin

 

@@ -19,36 +17,37 @@
 # this program. If not, see <http://www.gnu.org/licenses/>

 if(getRversion() >= '2.15.1') utils::globalVariables(c("variable", "residual"))

 

-mkinresplot <- function (object, obs_vars = vector(), 

+mkinresplot <- function (object, 

+  obs_vars = names(object$mkinmod$map),

   xlab = "Time", ylab = "Residual",

 	maxabs = "auto", legend= TRUE, lpos = "topright", ...) 

 {

 	obs_vars_all <- as.character(unique(object$data$variable))

 

   if (length(obs_vars) > 0){

-      vars <- intersect(obs_vars_all, obs_vars)	

-  } else vars <- obs_vars_all

+      obs_vars <- intersect(obs_vars_all, obs_vars)	

+  } else obs_vars <- obs_vars_all

 

-  residuals <- subset(object$data, variable %in% vars, residual)

+  residuals <- subset(object$data, variable %in% obs_vars, residual)

 

   if (maxabs == "auto") maxabs = max(abs(residuals), na.rm = TRUE)

 

-	col_obs <- pch_obs <- 1:length(vars)

- 	names(col_obs) <- names(pch_obs) <- vars

+	col_obs <- pch_obs <- 1:length(obs_vars)

+ 	names(col_obs) <- names(pch_obs) <- obs_vars

 

   plot(0,  xlab = xlab, ylab = ylab, 

        xlim = c(0, 1.1 * max(object$data$time)), 

        ylim = c(-1.2 * maxabs, 1.2 * maxabs), ...)

 

-	for(var in vars){

-		residuals_plot <- subset(object$data, variable == var, c("time", "residual"))

-		points(residuals_plot, pch = pch_obs[var], col = col_obs[var])

+	for(obs_var in obs_vars){

+		residuals_plot <- subset(object$data, variable == obs_var, c("time", "residual"))

+		points(residuals_plot, pch = pch_obs[obs_var], col = col_obs[obs_var])

 	}

 

   abline(h = 0, lty = 2)

 

   if (legend == TRUE) {

-    legend(lpos, inset = c(0.05, 0.05), legend = vars, 

-    col = col_obs, pch = pch_obs)

+    legend(lpos, inset = c(0.05, 0.05), legend = obs_vars, 

+      col = col_obs[obs_vars], pch = pch_obs[obs_vars])

   }

 }