#lang racket ;;; Science Collection ;;; bivariate-gaussian-histogram-example.ss ;;; Copyright (c) 2004-2011 M. Douglas Williams ;;; ;;; This file is part of the Science Collection. ;;; ;;; The Science Collection is free software: you can redistribute it and/or ;;; modify it under the terms of the GNU Lesser General Public License as ;;; published by the Free Software Foundation, either version 3 of the License ;;; or (at your option) any later version. ;;; ;;; The Science Collection is distributed in the hope that it will be useful, ;;; but WITHOUT WARRANTY; without even the implied warranty of MERCHANTABILITY ;;; or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public ;;; License for more details. ;;; ;;; You should have received a copy of the GNU Lesser General Public License ;;; along with the Science Collection. If not, see ;;; <http://www.gnu.org/licenses/>. ;;; ;;; ------------------------------------------------------------------- ;;; (require (planet "bivariate-gaussian.ss" ("williams" "science.plt") "random-distributions")) (require (planet "histogram-2d-with-graphics.ss" ("williams" "science.plt"))) (let ((h (make-histogram-2d-with-ranges-uniform 20 20 -3.0 3.0 -3.0 3.0))) (for ((i (in-range 10000))) (let-values (((x y) (random-bivariate-gaussian 1.0 1.0 0.0))) (histogram-2d-increment! h x y))) (histogram-2d-plot h "Histogram of the Bivariate Gaussian Distribution"))