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#
# file: tests/testthat/test_rtnorm90ci.R
#
# This file is part of the R-package decisionSupport
#
# Authors:
# Lutz Göhring <lutz.goehring@gmx.de>
# Eike Luedeling (ICRAF) <eike@eikeluedeling.com>
#
# Copyright (C) 2015 World Agroforestry Centre (ICRAF)
# http://www.worldagroforestry.org
#
# The R-package decisionSupport 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.
#
# The R-package decisionSupport 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 the R-package decisionSupport. If not, see <http://www.gnu.org/licenses/>.
#
##############################################################################################
# ToDo: is this necessary?
library(decisionSupport)
##############################################################################################
# Test rposnorm90ci(n, lower, upper, method="numeric")
##############################################################################################
context("Checking rposnorm90ci(method=\"numeric\")")
set.seed(100)
n=10000
tolerance=5/sqrt(n)
test_that("A positiv normal distribution is generated correctly from the 0.05 and 0.95 quantiles (1)", {
lower=20000
upper=100000
percentiles=c(0.05, 0.95)
x<-rposnorm90ci(n=n, lower=lower, upper=upper, relativeTolerance=tolerance, method="numeric")
expect_equal(quantile(x=x, probs=c(0.05, 0.95)), c("5%"=lower, "95%"=upper), tolerance=tolerance)
})
test_that("A positiv normal distribution is generated correctly from the 0.05 and 0.95 quantiles (2)", {
lower=10000
upper=100000
percentiles=c(0.05, 0.95)
x<-rposnorm90ci(n=n, lower=lower, upper=upper, relativeTolerance=tolerance, method="numeric")
expect_equal(quantile(x=x, probs=c(0.05, 0.95)), c("5%"=lower, "95%"=upper), tolerance=tolerance)
})
test_that("A positiv normal distribution is generated correctly from the 0.05 and 0.95 quantiles (3)", {
lower=1000
upper=100000
percentiles=c(0.05, 0.95)
x<-tryCatch(
rposnorm90ci(n=n, lower=lower, upper=upper, method="numeric", relativeTolerance=tolerance),
warning=function(w) FALSE
)
if( is.numeric(x) )
expect_equal(quantile(x=x, probs=c(0.05, 0.95)), c("5%"=lower, "95%"=upper), tolerance=tolerance)
})
##############################################################################################
# Test rtnorm_0_1_90ci(n, lower, upper, method="numeric")
##############################################################################################
context("Checking rtnorm_0_1_90ci(method=\"numeric\")")
test_that("Preconditions are checked: : upper value must be less than one.", {
lower=20000
upper=100000
percentiles=c(0.05, 0.95)
expect_error(rtnorm_0_1_90ci(n=n, lower=lower, upper=upper, method="numeric", relativeTolerance=tolerance))
})
test_that("A 0-1-truncated normal distribution is generated correctly from the 0.05 and 0.95 quantiles (1)", {
lower=0.1
upper=0.5
percentiles=c(0.05, 0.95)
x<-rtnorm_0_1_90ci(n=n, lower=lower, upper=upper, method="numeric", relativeTolerance=tolerance)
expect_equal(quantile(x=x, probs=c(0.05, 0.95)), c("5%"=lower, "95%"=upper), tolerance=tolerance)
})
test_that("A 0-1-truncated normal distribution is generated correctly from the 0.05 and 0.95 quantiles (2)", {
lower=0.01
upper=0.5
percentiles=c(0.05, 0.95)
x<-tryCatch(
rtnorm_0_1_90ci(n=n, lower=lower, upper=upper, method="numeric", relativeTolerance=tolerance),
warning=function(w) FALSE
)
if( is.numeric(x) )
expect_equal(quantile(x=x, probs=c(0.05, 0.95)), c("5%"=lower, "95%"=upper), tolerance=tolerance)
})
##############################################################################################
# Test rposnorm90ci(n, lower, upper, method="fit")
##############################################################################################
context("Checking rposnorm90ci(method=\"fit\")")
set.seed(100)
n=10000
tolerance=5/sqrt(n)
test_that("A positiv normal distribution is generated correctly from the 0.05 and 0.95 quantiles (1)", {
lower=20000
upper=100000
percentiles=c(0.05, 0.95)
x<-rposnorm90ci(n=n, lower=lower, upper=upper, relativeTolerance=2.5*tolerance, method="fit")
expect_equal(quantile(x=x, probs=c(0.05, 0.95)), c("5%"=lower, "95%"=upper), tolerance=tolerance)
})
test_that("A positiv normal distribution is generated correctly from the 0.05 and 0.95 quantiles (2)", {
lower=10000
upper=100000
percentiles=c(0.05, 0.95)
x<-tryCatch(
rposnorm90ci(n=n, lower=lower, upper=upper, method="fit", relativeTolerance=tolerance),
warning=function(w) FALSE
)
if( is.numeric(x) )
expect_equal(quantile(x=x, probs=c(0.05, 0.95)), c("5%"=lower, "95%"=upper), tolerance=tolerance)
})
test_that("A positiv normal distribution is generated correctly from the 0.05 and 0.95 quantiles (3)", {
lower=1000
upper=100000
percentiles=c(0.05, 0.95)
x<-tryCatch(
rposnorm90ci(n=n, lower=lower, upper=upper, method="fit", relativeTolerance=tolerance),
warning=function(w) FALSE
)
if( is.numeric(x) )
expect_equal(quantile(x=x, probs=c(0.05, 0.95)), c("5%"=lower, "95%"=upper), tolerance=tolerance)
})
##############################################################################################
# Test rtnorm_0_1_90ci(n, lower, upper, method="fit")
##############################################################################################
context("Checking rtnorm_0_1_90ci(method=\"fit\")")
test_that("Preconditions are checked: : upper value must be less than one.", {
lower=20000
upper=100000
percentiles=c(0.05, 0.95)
expect_error(rtnorm_0_1_90ci(n=n, lower=lower, upper=upper, method="fit", relativeTolerance=tolerance))
})
test_that("A 0-1-truncated normal distribution is generated correctly from the 0.05 and 0.95 quantiles (1)", {
lower=0.1
upper=0.5
percentiles=c(0.05, 0.95)
x<-rtnorm_0_1_90ci(n=n, lower=lower, upper=upper, method="fit", relativeTolerance=1.5*tolerance)
expect_equal(quantile(x=x, probs=c(0.05, 0.95)), c("5%"=lower, "95%"=upper), tolerance=tolerance)
})
test_that("A 0-1-truncated normal distribution is generated correctly from the 0.05 and 0.95 quantiles (2)", {
lower=0.01
upper=0.5
percentiles=c(0.05, 0.95)
x<-tryCatch(
rtnorm_0_1_90ci(n=n, lower=lower, upper=upper, method="fit", relativeTolerance=tolerance),
warning=function(w) FALSE
)
if( is.numeric(x) )
expect_equal(quantile(x=x, probs=c(0.05, 0.95)), c("5%"=lower, "95%"=upper), tolerance=tolerance)
})
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