public void TestDevsq()
{
double[] v = null;
double d, x = 0;
v = new double[] { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 };
d = StatsLib.devsq(v);
x = 82.5;
Assert.AreEqual(x, d, "devsq ");
v = new double[] { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 };
d = StatsLib.devsq(v);
x = 0;
Assert.AreEqual(x, d, "devsq ");
v = new double[] { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
d = StatsLib.devsq(v);
x = 0;
Assert.AreEqual(x, d, "devsq ");
v = new double[] { 1, 2, 1, 2, 1, 2, 1, 2, 1, 2 };
d = StatsLib.devsq(v);
x = 2.5;
Assert.AreEqual(x, d, "devsq ");
v = new double[] { 123.12, 33.3333, 2d / 3d, 5.37828, 0.999 };
d = StatsLib.devsq(v);
x = 10953.7416965767;
Assert.AreEqual(x, d, 0.0000000001, "devsq ");
v = new double[] { -1, -2, -3, -4, -5, -6, -7, -8, -9, -10 };
d = StatsLib.devsq(v);
x = 82.5;
Assert.AreEqual(x, d, "devsq ");
}
public void TestKthLargest()
{
double[] v = null;
double d, x = 0;
v = new double[] { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 };
d = StatsLib.kthLargest(v, 3);
x = 8;
Assert.AreEqual(x, d, "kthLargest ");
v = new double[] { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 };
d = StatsLib.kthLargest(v, 3);
x = 1;
Assert.AreEqual(x, d, "kthLargest ");
v = new double[] { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
d = StatsLib.kthLargest(v, 3);
x = 0;
Assert.AreEqual(x, d, "kthLargest ");
v = new double[] { 1, 2, 1, 2, 1, 2, 1, 2, 1, 2 };
d = StatsLib.kthLargest(v, 3);
x = 2;
Assert.AreEqual(x, d, "kthLargest ");
v = new double[] { 123.12, 33.3333, 2d / 3d, 5.37828, 0.999 };
d = StatsLib.kthLargest(v, 3);
x = 5.37828;
Assert.AreEqual(x, d, "kthLargest ");
v = new double[] { -1, -2, -3, -4, -5, -6, -7, -8, -9, -10 };
d = StatsLib.kthLargest(v, 3);
x = -3;
Assert.AreEqual(x, d, "kthLargest ");
}
public void TestVarp()
{
double[] v = null;
double d, x = 0;
v = new double[] { 3.50, 5.00, 7.23, 2.99 };
d = StatsLib.varp(v);
x = 2.71335;
Assert.AreEqual(x, d, 0.000001, "varp ");
v = new double[] { 34.5, 2.0, 8.9, -4.0 };
d = StatsLib.varp(v);
x = 215.2425;
Assert.AreEqual(x, d, 0.00001, "varp ");
v = new double[] { 7.0, 25.0, 21.69 };
d = StatsLib.varp(v);
x = 61.19468889;
Assert.AreEqual(x, d, 0.00000001, "varp ");
v = new double[] { 1345, 1301, 1368, 1322, 1310, 1370, 1318, 1350, 1303, 1299 };
d = StatsLib.varp(v);
x = 678.84;
Assert.AreEqual(x, d, 0.001, "varp ");
}
public void TestVar()
{
double[] v = null;
double d, x = 0;
v = new double[] { 3.50, 5.00, 7.23, 2.99 };
d = StatsLib.var(v);
x = 3.6178;
//the following AreEqual add a delta param against java version, otherwise tests fail.
Assert.AreEqual(x, d, 0.00001, "var ");
v = new double[] { 34.5, 2.0, 8.9, -4.0 };
d = StatsLib.var(v);
x = 286.99;
Assert.AreEqual(x, d, 0.001, "var ");
v = new double[] { 7.0, 25.0, 21.69 };
d = StatsLib.var(v);
x = 91.79203333;
Assert.AreEqual(x, d, 0.00000001, "var ");
v = new double[] { 1345, 1301, 1368, 1322, 1310, 1370, 1318, 1350, 1303, 1299 };
d = StatsLib.var(v);
x = 754.2666667;
Assert.AreEqual(x, d, 0.0000001, "var ");
}
public void TestStddev()
{
double[] v = null;
double d, x = 0;
v = new double[] { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 };
d = StatsLib.stdev(v);
x = 3.02765035409749;
Assert.AreEqual(x, d, 0.0000000001, "stdev ");
v = new double[] { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 };
d = StatsLib.stdev(v);
x = 0;
Assert.AreEqual(x, d, "stdev ");
v = new double[] { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
d = StatsLib.stdev(v);
x = 0;
Assert.AreEqual(x, d, "stdev ");
v = new double[] { 1, 2, 1, 2, 1, 2, 1, 2, 1, 2 };
d = StatsLib.stdev(v);
x = 0.52704627669;
Assert.AreEqual(x, d, 0.000000001, "stdev ");
v = new double[] { 123.12, 33.3333, 2d / 3d, 5.37828, 0.999 };
d = StatsLib.stdev(v);
x = 52.33006233652;
Assert.AreEqual(x, d, 0.0000000001, "stdev ");
v = new double[] { -1, -2, -3, -4, -5, -6, -7, -8, -9, -10 };
d = StatsLib.stdev(v);
x = 3.02765035410;
Assert.AreEqual(x, d, 0.0000000001, "stdev ");
}
public void TestAvedev()
{
double[] v = null;
double d, x = 0;
v = new double[] { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 };
d = StatsLib.avedev(v);
x = 2.5;
Assert.AreEqual(x, d, "avedev ");
v = new double[] { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 };
d = StatsLib.avedev(v);
x = 0;
Assert.AreEqual(x, d, "avedev ");
v = new double[] { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
d = StatsLib.avedev(v);
x = 0;
Assert.AreEqual(x, d, "avedev ");
v = new double[] { 1, 2, 1, 2, 1, 2, 1, 2, 1, 2 };
d = StatsLib.avedev(v);
x = 0.5;
Assert.AreEqual(x, d, "avedev ");
v = new double[] { 123.12, 33.3333, 2d / 3d, 5.37828, 0.999 };
d = StatsLib.avedev(v);
x = 36.42176053333;
Assert.AreEqual(x, d, 0.00000000001, "avedev ");
v = new double[] { -1, -2, -3, -4, -5, -6, -7, -8, -9, -10 };
d = StatsLib.avedev(v);
x = 2.5;
Assert.AreEqual(x, d, "avedev ");
}
public void TestMedian()
{
double[] v = null;
double d, x = 0;
v = new double[] { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 };
d = StatsLib.median(v);
x = 5.5;
Assert.AreEqual(x, d, "median ");
v = new double[] { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 };
d = StatsLib.median(v);
x = 1;
Assert.AreEqual(x, d, "median ");
v = new double[] { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
d = StatsLib.median(v);
x = 0;
Assert.AreEqual(x, d, "median ");
v = new double[] { 1, 2, 1, 2, 1, 2, 1, 2, 1, 2 };
d = StatsLib.median(v);
x = 1.5;
Assert.AreEqual(x, d, "median ");
v = new double[] { 123.12, 33.3333, 2d / 3d, 5.37828, 0.999 };
d = StatsLib.median(v);
x = 5.37828;
Assert.AreEqual(x, d, "median ");
v = new double[] { -1, -2, -3, -4, -5, -6, -7, -8, -9, -10 };
d = StatsLib.median(v);
x = -5.5;
Assert.AreEqual(x, d, "median ");
v = new double[] { -2, -3, -4, -5, -6, -7, -8, -9, -10 };
d = StatsLib.median(v);
x = -6;
Assert.AreEqual(x, d, "median ");
v = new double[] { 1, 2, 3, 4, 5, 6, 7, 8, 9 };
d = StatsLib.median(v);
x = 5;
Assert.AreEqual(x, d, "median ");
}
