# $Id$ # 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/> if(getRversion() >= '2.15.1') utils::globalVariables(c("variable", "residual")) mkinresplot <- function (object, obs_vars = vector(), 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 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) if (legend == TRUE) { legend(lpos, inset = c(0.05, 0.05), legend = vars, col = col_obs, pch = pch_obs) } }