Пример #1
0
    def test_HighDensityRegionAlgorithm1D(self):
        # With 1D
        ot.RandomGenerator.SetSeed(0)
        numberOfPointsForSampling = 500
        ot.ResourceMap.SetAsBool("Distribution-MinimumVolumeLevelSetBySampling", True)
        ot.ResourceMap.Set(
            "Distribution-MinimumVolumeLevelSetSamplingSize",
            str(numberOfPointsForSampling),
        )

        # Dataset
        ot.RandomGenerator_SetSeed(1976)
        sample = ot.Normal().getSample(100)

        # Creation du kernel smoothing
        ks = ot.KernelSmoothing()
        distribution = ks.build(sample)

        dp = othdr.HighDensityRegionAlgorithm(sample, distribution)
        dp.run()

        # Draw contour/inliers/outliers
        otv.View(dp.draw())

        otv.View(dp.draw(drawInliers=True))

        otv.View(dp.draw(drawOutliers=False))

        outlierIndices = dp.computeIndices()
        expected_outlierIndices = [16, 24, 33, 49, 71, 84]
        assert_equal(outlierIndices, expected_outlierIndices)
Пример #2
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    def testBaseFunctionalityMean(self):
        n_modes = self.AKLR1.getSizeModes()
        randVect = ot.ComposedDistribution([ot.Normal()] * n_modes)
        ot.RandomGenerator_SetSeed(68173484786)
        randPoint = randVect.getRealization()
        print('random point is', randPoint)
        ot.RandomGenerator_SetSeed(681348445786)
        randSample = randVect.getSample(10)
        #func_pt = self.AKLR1.lift(randPoint)
        field_pt = self.AKLR1.liftAsField(randPoint)
        smpl_pt = self.AKLR1.liftAsSample(randPoint)
        procsamp_samp = self.AKLR1.liftAsProcessSample(randSample)

        print(smpl_pt[0])
        coeffs_field_pt = self.AKLR1.project(field_pt)
        coeffs_smpl_pt = self.AKLR1.project(smpl_pt)
        coeffs_procsamp_samp = self.AKLR1.project(procsamp_samp)

        #self.assertEqual(randPoint, coeffs_func_pt)
        print('The modes are as follows,', self.AKLR1.__mode_count__)
        for i, (a, b) in enumerate(
                list(zip(list(randPoint), list(coeffs_field_pt)))):
            msg = 'assertAlmostEqual Failed for element {} of list, with values {} and {}'.format(
                i, a, b)
            print('a_field:', a, 'b_field:', b)
            self.assertAlmostEqual(a, b, 7, msg)
        print('From coeffs to fields to coeffs OK')

        for i, (a, b) in enumerate(
                list(zip(list(randPoint), list(coeffs_smpl_pt)))):
            msg = 'assertAlmostEqual Failed for element {} of list, with values {} and {}'.format(
                i, a, b)
            print('a_sample:', a, 'b_sample:', b)
            self.assertAlmostEqual(a, b, 7, msg)
        print('From coeffs to samples to coeffs OK')

        for j in range(randSample.getSize()):
            pt_j = randSample[j]
            pt_proc = coeffs_procsamp_samp[j]
            for i, (a, b) in enumerate(list(zip(list(pt_j), list(pt_proc)))):
                msg = 'assertAlmostEqual Failed for element {} of list, with values {} and {}'.format(
                    i, a, b)
                self.assertAlmostEqual(a, b, 7, msg)
        print('From coeffs to process samples to coeffs OK')

        print('Tests Passed!')
Пример #3
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#! /usr/bin/env python
# coding: utf-8

from __future__ import print_function
import openturns as ot
import openturns.testing
import persalys
import os

myStudy = persalys.Study('myStudy')

# data
filename = 'données.csv'
ot.RandomGenerator_SetSeed(0)
ot.Normal(3).getSample(10).exportToCSVFile(filename)
inColumns = [0, 2]

# Model 1
model = persalys.DataModel('myDataModel', filename, inColumns)
myStudy.add(model)
print(model)

# Model 2
model2 = persalys.SymbolicPhysicalModel(
    'SM', [persalys.Input('A'), persalys.Input('B')], [persalys.Output('S')],
    ['A+B+2'])
myStudy.add(model2)
importedDOE = persalys.ImportedDesignOfExperiment('doeI', model2, filename,
                                                  inColumns)
myStudy.add(importedDOE)
Пример #4
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model_2D = ot.ExponentialModel([1, 1], [1])

##Now finally let's get our two processes and the ditribution.
### The 1D Gaussian process
process_1D = ot.GaussianProcess(model_1D, mesh_1D)

### The 2D Gaussian process
process_2D = ot.GaussianProcess(model_2D, mesh_2D)

### The normal distribution:
scalar_distribution = ot.Normal()

## Now the we have our processes and distributions, let's first evaluate the function
## without any use of a wrapper or anything.
#### First get fields and samples from our processes and distributions
ot.RandomGenerator_SetSeed(888)
field_1D = process_1D.getRealization()
field_2D = process_2D.getRealization()
scalar_0 = [scalar_distribution.getRealization()]

print('For field 1D:\n', field_1D, '\n')
print('For field 2D:\n', field_2D, '\n')
print('For scalar :\n', scalar_0, '\n')
output_dummy_0 = dummyFunction2Wrap(field_2D, field_1D, scalar_0)

print('Output is:\n', output_dummy_0)

## Now that we have our processes defined, our realizations and the corresponding output
## we can create our aggregated object, wrap our function, and check if it behaves accordingly
### For that we will first have to do the Karhunen-Loeve decomposition of the processes.
algo_kl_process_1D = ot.KarhunenLoeveP1Algorithm(