TestStatsLibpublic class TestStatsLib extends AbstractNumericTestCase
| Methods Summary |
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| 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;
assertEquals("avedev ", x, d);
v = new double[] {1,1,1,1,1,1,1,1,1,1};
d = StatsLib.avedev(v);
x = 0;
assertEquals("avedev ", x, d);
v = new double[] {0,0,0,0,0,0,0,0,0,0};
d = StatsLib.avedev(v);
x = 0;
assertEquals("avedev ", x, d);
v = new double[] {1,2,1,2,1,2,1,2,1,2};
d = StatsLib.avedev(v);
x = 0.5;
assertEquals("avedev ", x, d);
v = new double[] {123.12,33.3333,2d/3d,5.37828,0.999};
d = StatsLib.avedev(v);
x = 36.42176053333;
assertEquals("avedev ", x, d);
v = new double[] {-1,-2,-3,-4,-5,-6,-7,-8,-9,-10};
d = StatsLib.avedev(v);
x = 2.5;
assertEquals("avedev ", x, d);
| | 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;
assertEquals("devsq ", x, d);
v = new double[] {1,1,1,1,1,1,1,1,1,1};
d = StatsLib.devsq(v);
x = 0;
assertEquals("devsq ", x, d);
v = new double[] {0,0,0,0,0,0,0,0,0,0};
d = StatsLib.devsq(v);
x = 0;
assertEquals("devsq ", x, d);
v = new double[] {1,2,1,2,1,2,1,2,1,2};
d = StatsLib.devsq(v);
x = 2.5;
assertEquals("devsq ", x, d);
v = new double[] {123.12,33.3333,2d/3d,5.37828,0.999};
d = StatsLib.devsq(v);
x = 10953.7416965767;
assertEquals("devsq ", x, d);
v = new double[] {-1,-2,-3,-4,-5,-6,-7,-8,-9,-10};
d = StatsLib.devsq(v);
x = 82.5;
assertEquals("devsq ", x, d);
| | 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;
assertEquals("kthLargest ", x, d);
v = new double[] {1,1,1,1,1,1,1,1,1,1};
d = StatsLib.kthLargest(v, 3);
x = 1;
assertEquals("kthLargest ", x, d);
v = new double[] {0,0,0,0,0,0,0,0,0,0};
d = StatsLib.kthLargest(v, 3);
x = 0;
assertEquals("kthLargest ", x, d);
v = new double[] {1,2,1,2,1,2,1,2,1,2};
d = StatsLib.kthLargest(v, 3);
x = 2;
assertEquals("kthLargest ", x, d);
v = new double[] {123.12,33.3333,2d/3d,5.37828,0.999};
d = StatsLib.kthLargest(v, 3);
x = 5.37828;
assertEquals("kthLargest ", x, d);
v = new double[] {-1,-2,-3,-4,-5,-6,-7,-8,-9,-10};
d = StatsLib.kthLargest(v, 3);
x = -3;
assertEquals("kthLargest ", x, d);
| | public void | testKthSmallest()
| | 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;
assertEquals("median ", x, d);
v = new double[] {1,1,1,1,1,1,1,1,1,1};
d = StatsLib.median(v);
x = 1;
assertEquals("median ", x, d);
v = new double[] {0,0,0,0,0,0,0,0,0,0};
d = StatsLib.median(v);
x = 0;
assertEquals("median ", x, d);
v = new double[] {1,2,1,2,1,2,1,2,1,2};
d = StatsLib.median(v);
x = 1.5;
assertEquals("median ", x, d);
v = new double[] {123.12,33.3333,2d/3d,5.37828,0.999};
d = StatsLib.median(v);
x = 5.37828;
assertEquals("median ", x, d);
v = new double[] {-1,-2,-3,-4,-5,-6,-7,-8,-9,-10};
d = StatsLib.median(v);
x = -5.5;
assertEquals("median ", x, d);
v = new double[] {-2,-3,-4,-5,-6,-7,-8,-9,-10};
d = StatsLib.median(v);
x = -6;
assertEquals("median ", x, d);
v = new double[] {1,2,3,4,5,6,7,8,9};
d = StatsLib.median(v);
x = 5;
assertEquals("median ", x, d);
| | public void | testMode()
double[] v = null;
double d, x = 0;
v = new double[] {1,2,3,4,5,6,7,8,9,10};
d = StatsLib.mode(v);
x = Double.NaN;
assertEquals("mode ", x, d);
v = new double[] {1,1,1,1,1,1,1,1,1,1};
d = StatsLib.mode(v);
x = 1;
assertEquals("mode ", x, d);
v = new double[] {0,0,0,0,0,0,0,0,0,0};
d = StatsLib.mode(v);
x = 0;
assertEquals("mode ", x, d);
v = new double[] {1,2,1,2,1,2,1,2,1,2};
d = StatsLib.mode(v);
x = 1;
assertEquals("mode ", x, d);
v = new double[] {123.12,33.3333,2d/3d,5.37828,0.999};
d = StatsLib.mode(v);
x = Double.NaN;
assertEquals("mode ", x, d);
v = new double[] {-1,-2,-3,-4,-5,-6,-7,-8,-9,-10};
d = StatsLib.mode(v);
x = Double.NaN;
assertEquals("mode ", x, d);
v = new double[] {1,2,3,4,1,1,1,1,0,0,0,0,0};
d = StatsLib.mode(v);
x = 1;
assertEquals("mode ", x, d);
v = new double[] {0,1,2,3,4,1,1,1,0,0,0,0,1};
d = StatsLib.mode(v);
x = 0;
assertEquals("mode ", x, d);
| | 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 = 3.02765035410;
assertEquals("stdev ", x, d);
v = new double[] {1,1,1,1,1,1,1,1,1,1};
d = StatsLib.stdev(v);
x = 0;
assertEquals("stdev ", x, d);
v = new double[] {0,0,0,0,0,0,0,0,0,0};
d = StatsLib.stdev(v);
x = 0;
assertEquals("stdev ", x, d);
v = new double[] {1,2,1,2,1,2,1,2,1,2};
d = StatsLib.stdev(v);
x = 0.52704627669;
assertEquals("stdev ", x, d);
v = new double[] {123.12,33.3333,2d/3d,5.37828,0.999};
d = StatsLib.stdev(v);
x = 52.33006233652;
assertEquals("stdev ", x, d);
v = new double[] {-1,-2,-3,-4,-5,-6,-7,-8,-9,-10};
d = StatsLib.stdev(v);
x = 3.02765035410;
assertEquals("stdev ", x, d);
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