

Java example source code file (laplaceTestCases.R)
The laplaceTestCases.R Java example source code# Licensed to the Apache Software Foundation (ASF) under one or more # contributor license agreements. See the NOTICE file distributed with # this work for additional information regarding copyright ownership. # The ASF licenses this file to You under the Apache License, Version 2.0 # (the "License"); you may not use this file except in compliance with # the License. You may obtain a copy of the License at # # http://www.apache.org/licenses/LICENSE2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. # See the License for the specific language governing permissions and # limitations under the License. # # # R source file to validate Laplace distribution tests in # org.apache.commons.math3.distribution.LaplaceDistributionTest # # To run the test, install R, put this file and testFunctions # into the same directory, launch R from this directory and then enter # source("<nameofthisfile>") # # R functions used # dlaplace(x, location = 0, scale = 1, log = FALSE, max = TRUE) # plaplace(q, location = 0, scale = 1, lower.tail = TRUE, max = TRUE) # tol < 1E9 # Function definitions source("testFunctions") # utility test functions library("VGAM") # function to verify distribution computations verifyDistribution < function(points, expected, m, s, tol) { rDistValues < rep(0, length(points)) i < 0 for (point in points) { i < i + 1 rDistValues[i] < plaplace(point, m, s) } output < c("Distribution test m = ",m,", s = ", s) if (assertEquals(expected, rDistValues, tol, "Distribution Values")) { displayPadded(output, SUCCEEDED, WIDTH) } else { displayPadded(output, FAILED, WIDTH) } } # function to verify density computations verifyDensity < function(points, expected, m, s, tol) { rDensityValues < rep(0, length(points)) i < 0 for (point in points) { i < i + 1 rDensityValues[i] < dlaplace(point, m, s) } output < c("Density test m = ",m,", s = ", s) if (assertEquals(expected, rDensityValues, tol, "Density Values")) { displayPadded(output, SUCCEEDED, WIDTH) } else { displayPadded(output, FAILED, WIDTH) } } # cat("Laplace test cases\n") m < 0 s < 1 distributionPoints < c(5:5) densityValues < c(0.0033689734995427335,0.00915781944436709,0.024893534183931972,0.06766764161830635,0.18393972058572117,0.5,0.18393972058572117,0.06766764161830635,0.024893534183931972,0.00915781944436709,0.0033689734995427335) distributionValues < c(0.0033689734995427335,0.00915781944436709,0.024893534183931972,0.06766764161830635,0.18393972058572117,0.5,0.8160602794142788,0.9323323583816936,0.9751064658160681,0.9908421805556329,0.9966310265004573) verifyDistribution(distributionPoints, distributionValues, m, s, tol) verifyDensity(distributionPoints, densityValues, m, s, tol) m < 5 s < 4 distributionPoints < c(5:5) densityValues < c(0.125,0.09735009788392561,0.07581633246407918,0.059045819092626836,0.04598493014643029,0.03581309960752376,0.027891270018553727,0.021721742931305642,0.016916910404576588,0.013174903070233042,0.01026062482798735) distributionValues < c(0.5,0.6105996084642975,0.6967346701436833,0.7638167236294926,0.8160602794142788,0.8567476015699049,0.888434919925785,0.9131130282747775,0.9323323583816936,0.9473003877190679,0.9589575006880506) verifyDistribution(distributionPoints, distributionValues, m, s, tol) verifyDensity(distributionPoints, densityValues, m, s, tol) Other Java examples (source code examples)Here is a short list of links related to this Java laplaceTestCases.R source code file: 
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