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Tests

beta.php(execute)
binomial.php(execute)
cauchy.php(execute)
chisqr.php(execute)
exponential.php(execute)
f.php(execute)
gamma.php(execute)
geometric.php(execute)
hypergeometric.php(execute)
lognormal.php(execute)
make_table.php(execute)
multinormal.php(execute)
negativebinomial.php(execute)
normal.php(execute)
pareto.php(execute)
poisson.php(execute)
t.php(execute)
triangle.php(execute)
uniform.php(execute)
weibull.php(execute)

<?php 
/**
* @package ProbabilityDistribution 

* Script to test Triangle distribution methods 
*/ 
require_once "../TriangleDistribution.php"
require_once 
"make_table.php"

$a 0;
$b 6;
$c 3;

$tri = new TriangleDistribution($a$b$c); 

$Methods    = array("getLowerBound""getUpperBound""getMode",
                    
"getQuartileMode","getMean","getVariance",
                    
"PDF(2)""CDF(2.75)","ICDF(0.42)","RNG(1)"); 
$Output[0] = $tri->getLowerBound();
$Output[1] = $tri->getUpperBound();
$Output[2] = $tri->getMode(); 
$Output[3] = $tri->getQuartileMode(); 
$Output[4] = $tri->getMean(); 
$Output[5] = $tri->getVariance(); 
$Output[6] = $tri->PDF(2); 
$Output[7] = $tri->CDF(2.75); 
$Output[8] = $tri->ICDF(0.42); 
$Output[9] = $tri->RNG(1); 
make_table("Triangle Distribution($a$b$c)""Methods""Output"$Methods$Output); 

// Test PDF function by feeding an array of $x_vals and 
// getting a corresponding array of $p_vals. 
$X_Vals range(15); 
$P_Vals $tri->PDF($X_Vals); 
make_table("PDF(X_VALS)""X Vals Input""P Vals Output"$X_Vals$P_Vals); 

// Test CDF function by feeding an array of $x_vals and getting 
// a corresponding array of $p_vals where each p_val corresponds 
// to p(x < $x_vals[$i]) 
$X_Vals = array(2.82.93.03.13.23.3); 
$P_Vals $tri->CDF($X_Vals); 
make_table("CDF(X_VALS)""X Vals Input""P Vals Output"$X_Vals$P_Vals); 

// Test ICDF function by feeding in P_Vals from previous 
// test. Result should be mirror of CDF output. 
$X_Vals $tri->ICDF($P_Vals); 
make_table("ICDF(P_VALS)""P Vals Input""X Vals Output"$P_Vals$X_Vals); 

// Test RNG function by passing the number of values you want generated. 
// Result is an array of random numbers from a triangle distribution 
$Counter range(07); 
$Rnd_Vals $tri->RNG(8); 
make_table("RNG(N_VALS)""Counter""Rnd Vals"$Counter$Rnd_Vals);
?>