96 lines
2.7 KiB
Go
96 lines
2.7 KiB
Go
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// Copyright 2015 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package stats
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import "testing"
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func TestT(t *testing.T) {
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testFunc(t, "PDF(%v|v=1)", TDist{1}.PDF, map[float64]float64{
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-10: 0.0031515830315226806,
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-9: 0.0038818278802901312,
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-8: 0.0048970751720583188,
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-7: 0.0063661977236758151,
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-6: 0.0086029698968592104,
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-5: 0.012242687930145799,
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-4: 0.018724110951987692,
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-3: 0.031830988618379075,
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-2: 0.063661977236758149,
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-1: 0.15915494309189537,
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0: 0.31830988618379075,
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1: 0.15915494309189537,
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2: 0.063661977236758149,
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3: 0.031830988618379075,
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4: 0.018724110951987692,
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5: 0.012242687930145799,
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6: 0.0086029698968592104,
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7: 0.0063661977236758151,
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8: 0.0048970751720583188,
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9: 0.0038818278802901312})
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testFunc(t, "PDF(%v|v=5)", TDist{5}.PDF, map[float64]float64{
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-10: 4.0989816415343313e-05,
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-9: 7.4601664362590413e-05,
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-8: 0.00014444303269563934,
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-7: 0.00030134402928803911,
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-6: 0.00068848154013743002,
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-5: 0.0017574383788078445,
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-4: 0.0051237270519179133,
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-3: 0.017292578800222964,
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-2: 0.065090310326216455,
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-1: 0.21967979735098059,
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0: 0.3796066898224944,
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1: 0.21967979735098059,
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2: 0.065090310326216455,
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3: 0.017292578800222964,
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4: 0.0051237270519179133,
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5: 0.0017574383788078445,
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6: 0.00068848154013743002,
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7: 0.00030134402928803911,
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8: 0.00014444303269563934,
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9: 7.4601664362590413e-05})
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testFunc(t, "CDF(%v|v=1)", TDist{1}.CDF, map[float64]float64{
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-10: 0.03172551743055356,
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-9: 0.035223287477277272,
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-8: 0.039583424160565539,
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-7: 0.045167235300866547,
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-6: 0.052568456711253424,
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-5: 0.06283295818900117,
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-4: 0.077979130377369324,
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-3: 0.10241638234956672,
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-2: 0.14758361765043321,
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-1: 0.24999999999999978,
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0: 0.5,
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1: 0.75000000000000022,
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2: 0.85241638234956674,
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3: 0.89758361765043326,
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4: 0.92202086962263075,
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5: 0.93716704181099886,
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6: 0.94743154328874657,
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7: 0.95483276469913347,
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8: 0.96041657583943452,
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9: 0.96477671252272279})
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testFunc(t, "CDF(%v|v=5)", TDist{5}.CDF, map[float64]float64{
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-10: 8.5473787871481787e-05,
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-9: 0.00014133998712194845,
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-8: 0.00024645333028622187,
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-7: 0.00045837375719920225,
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-6: 0.00092306914479700695,
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-5: 0.0020523579900266612,
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-4: 0.0051617077404157259,
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-3: 0.015049623948731284,
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-2: 0.05096973941492914,
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-1: 0.18160873382456127,
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0: 0.5,
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1: 0.81839126617543867,
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2: 0.9490302605850709,
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3: 0.98495037605126878,
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4: 0.99483829225958431,
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5: 0.99794764200997332,
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6: 0.99907693085520299,
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7: 0.99954162624280074,
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8: 0.99975354666971372,
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9: 0.9998586600128780})
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}
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