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RegularizationTests.cs

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RegularizationTests.cs

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// Copyright (c) 2019 Shapelets.io
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at http://mozilla.org/MPL/2.0/.
using NUnit.Framework;
namespace Khiva.Tests
{
[TestFixture, Category("Regularization")]
public class RegularizationTests
{
[SetUp]
public void Init()
{
Library.CurrentBackend = Library.Backend.KhivaBackendCpu;
}
[Test]
public void TestGroupBySingleColumn()
{
int[,] tss = {{0, 1, 1, 2, 2, 3}, {0, 3, 3, 1, 1, 2}};
using (KhivaArray arr = KhivaArray.Create(tss), groupBy = Regularization.GroupBy(arr, 0))
{
int[] expected = {0, 3, 1, 2};
var result = groupBy.GetData1D<int>();
Assert.AreEqual(expected, result);
}
}
[Test]
public void TestGroupByDoubleKeyColumn()
{
float[,] tss = {{0, 1, 1, 2, 2, 3}, {1, 2, 2, 3, 3, 4}, {0, 3, 3, 1, 1, 2}};
using (KhivaArray arr = KhivaArray.Create(tss), groupBy = Regularization.GroupBy(arr, 0, 2))
{
float[] expected = {0, 3, 1, 2};
var result = groupBy.GetData1D<float>();
Assert.AreEqual(expected, result);
}
}
[Test]
public void TestGroupByDoubleKeyColumn2()
{
float[,] tss = {{0, 0, 1, 1, 1}, {0, 1, 0, 0, 1}, {1, 2, 3, 4, 5}};
using (KhivaArray arr = KhivaArray.Create(tss), groupBy = Regularization.GroupBy(arr, 0, 2))
{
float[] expected = {1, 2, 3.5F, 5};
var result = groupBy.GetData1D<float>();
Assert.AreEqual(expected, result);
}
}
[Test]
public void TestGroupByDoubleKeyDoubleValueColumn()
{
float[,] tss = {{0, 0, 0, 2, 2}, {2, 2, 2, 4, 4}, {0, 1, 2, 3, 4}, {1, 1, 1, 1, 1}};
using (KhivaArray arr = KhivaArray.Create(tss), groupBy = Regularization.GroupBy(arr, 0, 2, 2))
{
float[,] expected = {{1, 3.5F}, {1, 1}};
var result = groupBy.GetData2D<float>();
Assert.AreEqual(expected, result);
}
}
}
}
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