# $Id: $
# Copyright (C) 2008-2011 Katrin Lindenberger and Johannes Ranke
# Contact: mkin-devel@lists.berlios.de
# This file is part of the R package mkin
# mkin is free software: you can redistribute it and/or modify it under the
# terms of the GNU General Public License as published by the Free Software
# Foundation, either version 3 of the License, or (at your option) any later
# version.
# This program is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
# FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
# details.
# You should have received a copy of the GNU General Public License along with
# this program. If not, see <http://www.gnu.org/licenses/>
mkinresplot <- function (object, obs_vars = vector(),
xlab = "Time [days]", ylab = "Residual [% of applied radioactivity]",
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
residuals <- subset(object$data, variable %in% vars, residual)
if (maxabs == "auto") maxabs = max(abs(residuals), na.rm = TRUE)
col_obs <- pch_obs <- 1:length(vars)
names(col_obs) <- names(pch_obs) <- vars
plot(0, xlab = xlab, ylab = ylab,
xlim = c(0, 1.1 * max(object$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])
}
abline(h = 0, lty = 2)
title(paste("Residuals of mkin fit"), font.main = 1)
if (legend == TRUE) {
legend(lpos, inset = c(0.05, 0.05), legend = vars,
col = col_obs, pch = pch_obs)
}
}
