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Commons Math example source code file (descriptiveTestCases)

This example Commons Math source code file (descriptiveTestCases) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - Commons Math tags/keywords

apache, failed, license, license, mavro, mavro, michelson, r, r, see, succeeded, width, width, you

The Commons Math descriptiveTestCases 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/LICENSE-2.0
#
# 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 summary statistics tests in
# org.apache.commons.math.stat.CertifiedDataTest
#
# To run the test, install R, put this file and testFunctions
# into the same directory, launch R from this directory and then enter
# source("<name-of-this-file>")
#
# R functions used
#  mean(x)
#  sd(x)
#------------------------------------------------------------------------------
tol <- 1E-14                     # error tolerance for tests
#------------------------------------------------------------------------------
# Function definitions

source("testFunctions")           # utility test functions
options(digits=15)                # bump displayed digits to 15

verifyMean <- function(values, expectedMean, tol, desc) {
    results <- mean(values)
    if (assertEquals(expectedMean, results, tol, "mean")) {
        displayPadded(c(desc," mean test"), SUCCEEDED, WIDTH)
    } else {
        displayPadded(c(desc, " mean test"), FAILED, WIDTH)
    } 
}

verifySigma <- function(values, expectedSigma, tol, desc) {
    results <- sd(values)
    if (assertEquals(expectedSigma, results, tol, "std")) {
        displayPadded(c(desc," std test"), SUCCEEDED, WIDTH)
    } else {
        displayPadded(c(desc, " std test"), FAILED, WIDTH)
    } 
}

cat("Descriptive test cases\n")

# Michelson data
values <- c(299.85,299.74,299.90,300.07,299.93,299.85,299.95,299.98,299.98,
299.88,300.00,299.98,299.93,299.65,299.76,299.81,300.00,300.00,299.96,299.96,
299.96,299.94,299.96,299.94,299.88,299.80,299.85,299.88,299.90,299.84,299.83,
299.79,299.81,299.88,299.88,299.83,299.80,299.79,299.76,299.80,299.88,299.88,
299.88,299.86,299.72,299.72,299.62,299.86,299.97,299.95,299.88,299.91,299.85,
299.87,299.84,299.84,299.85,299.84,299.84,299.84,299.89,299.81,299.81,299.82,
299.80,299.77,299.76,299.74,299.75,299.76,299.91,299.92,299.89,299.86,299.88,
299.72,299.84,299.85,299.85,299.78,299.89,299.84,299.78,299.81,299.76,299.81,
299.79,299.81,299.82,299.85,299.87,299.87,299.81,299.74,299.81,299.94,299.95,
299.80,299.81,299.87)
expectedMean <- 299.852400000000
expectedSigma <- 0.0790105478190518
verifyMean(values, expectedMean, tol, "Michelson")
verifySigma(values, expectedSigma, tol, "Michelson")

# Mavro data
values <- c(2.00180,2.00170,2.00180,2.00190,2.00180,2.00170,2.00150,2.00140,
2.00150,2.00150,2.00170,2.00180,2.00180,2.00190,2.00190,2.00210,2.00200,
2.00160,2.00140,2.00130,2.00130,2.00150,2.00150,2.00160,2.00150,2.00140,
2.00130,2.00140,2.00150,2.00140,2.00150,2.00160,2.00150,2.00160,2.00190,
2.00200,2.00200,2.00210,2.00220,2.00230,2.00240,2.00250,2.00270,2.00260,
2.00260,2.00260,2.00270,2.00260,2.00250,2.00240)
expectedMean <- 2.00185600000000
expectedSigma <- 0.000429123454003053
verifyMean(values, expectedMean, tol, "Mavro")
verifySigma(values, expectedSigma, tol, "Mavro")

displayDashes(WIDTH)        

Other Commons Math examples (source code examples)

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