[C#/COMMON/R.NET] R/NMATH 계산 시간 비교하기

■ R과 NMATH 계산 시간을 비교하는 방법을 보여준다.

▶ MainForm.cs


using System;
using System.Diagnostics;
using System.IO;
using System.Linq;
using System.Windows.Forms;

using RDotNet;

using CenterSpace.NMath.Core;
using CenterSpace.NMath.Stats;

namespace TestProject
{
    /// <summary>
    /// 메인 폼
    /// </summary>
    public partial class MainForm : Form
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Field
        ////////////////////////////////////////////////////////////////////////////////////////// Private

        #region Field

        /// <summary>
        /// 소스 값 배열 1
        /// </summary>
        private double[] sourceValueArray1;

        /// <summary>
        /// 소스 값 배열 2
        /// </summary>
        private double[] sourceValueArray2;

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 생성자 - MainForm()

        /// <summary>
        /// 생성자
        /// </summary>
        public MainForm()
        {
            InitializeComponent();

            string pathValue    = Environment.GetEnvironmentVariable("Path");
            string rBinarayPath = @"C:\Program Files\R\R-3.4.1\bin\x64;C:\Program Files\R\R-3.4.1\bin\i386";

            Environment.SetEnvironmentVariable("Path", pathValue + Path.PathSeparator + rBinarayPath);

            this.runButton.Click += runButton_Click;
        }

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Method
        ////////////////////////////////////////////////////////////////////////////////////////// Private
        //////////////////////////////////////////////////////////////////////////////// Event

        #region 실행 버튼 클릭시 처리하기 - runButton_Click(sender, e)

        /// <summary>
        /// 실행 버튼 클릭시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void runButton_Click(object sender, EventArgs e)
        {
            this.sourceValueArray1 = GetSourceValueArray(1000000);
            this.sourceValueArray2 = GetSourceValueArray(1000000);

            CacluateWithR();

            CalculateWithNMATH();
        }

        #endregion

        //////////////////////////////////////////////////////////////////////////////// Function

        #region 소스 값 배열 구하기 - GetSourceValueArray(count)

        /// <summary>
        /// 소스 값 배열 구하기
        /// </summary>
        /// <param name="count">카운트</param>
        /// <returns>소스 값 배열</returns>
        private double[] GetSourceValueArray(int count)
        {
            double[] valueArray = new double[count];

            Random random = new Random(DateTime.Now.Millisecond);

            for(int i = 0; i < count; i++)
            {
                valueArray[i] = random.NextDouble() * 100;
            }

            return valueArray;
        }

        #endregion
        #region 계산하기 (R) - CacluateWithR()

        /// <summary>
        /// 계산하기 (R)
        /// </summary>
        private void CacluateWithR()
        {
            Stopwatch stopWatch = new Stopwatch();

            using(REngine rEngine = REngine.CreateInstance("RDotNet"))
            {
                rEngine.Initialize();

                #region 데이터를 변환한다.

                stopWatch.Start();

              //NumericVector numericVector1 = rEngine.CreateNumericVector(this.sourceValueArray1);
              //NumericVector numericVector2 = rEngine.CreateNumericVector(this.sourceValueArray2);

                NumericVector numericVector1 = new NumericVector(rEngine, this.sourceValueArray1);
                NumericVector numericVector2 = new NumericVector(rEngine, this.sourceValueArray2);

                stopWatch.Stop();

                long dataConversionTime = stopWatch.ElapsedMilliseconds;

                #endregion

                rEngine.SetSymbol("group1", numericVector1);
                rEngine.SetSymbol("group2", numericVector2);

                #region 평균 값을 계산한다.

                stopWatch.Restart();

                double averageValue = rEngine.Evaluate("mean(group1)").AsNumeric().First();

                stopWatch.Stop();

                long averageValueTime = stopWatch.ElapsedMilliseconds;

                #endregion
                #region 중간 값을 계산한다.

                stopWatch.Restart();

                double medianValue = rEngine.Evaluate("median(group1)").AsNumeric().First();

                stopWatch.Stop();

                long medianValueTime = stopWatch.ElapsedMilliseconds;

                #endregion
                #region 표준 편차 값을 계산한다.

                stopWatch.Restart();

                double standardDeviationValue = rEngine.Evaluate("sd(group1)").AsNumeric().First();

                stopWatch.Stop();

                long standardDeviationValueTime = stopWatch.ElapsedMilliseconds;

                #endregion
                #region 상관 계수 값을 계산한다.

                stopWatch.Restart();

                double correlationValue = rEngine.Evaluate("cor(group1, group2)").AsNumeric().First();

                stopWatch.Stop();

                long correlationValueTime = stopWatch.ElapsedMilliseconds;

                #endregion
                #region ANOVA 값을 계산한다.

                stopWatch.Restart();

                GenericVector genericVector = rEngine.Evaluate("t.test(group1, group2)").AsList();

                double pValue = genericVector["p.value"].AsNumeric().First();

                stopWatch.Stop();

                long pValueTime = stopWatch.ElapsedMilliseconds;

                #endregion

                this.dataConversionTimeTextBox1.Text         = dataConversionTime.ToString();
                this.avergageValueTextBox1.Text              = averageValue.ToString();
                this.averageValueTimeTextBox1.Text           = averageValueTime.ToString();
                this.medianValueTextBox1.Text                = medianValue.ToString();
                this.medianValueTimeTextBox1.Text            = medianValueTime.ToString();
                this.standardDeviationValueTextBox1.Text     = standardDeviationValue.ToString();
                this.standardDeviationValueTimeTextBox1.Text = standardDeviationValueTime.ToString();
                this.correlationValueTextBox1.Text           = correlationValue.ToString();
                this.correlationValueTimeTextBox1.Text       = correlationValueTime.ToString();
                this.anovaValueTextBox1.Text                 = pValue.ToString();
                this.anovaValueTimeTextBox1.Text             = pValueTime.ToString();
            }
        }

        #endregion
        #region 계산하기 (NMATH) - CalculateWithNMATH()

        /// <summary>
        /// 계산하기 (NMATH)
        /// </summary>
        private void CalculateWithNMATH()
        {
            Stopwatch stopwatch = new Stopwatch();

            #region 데이터를 변환한다.

            stopwatch.Start();

            DoubleVector doubleVector1 = new DoubleVector(this.sourceValueArray1);
            DoubleVector doubleVector2 = new DoubleVector(this.sourceValueArray2);

            stopwatch.Stop();

            long dataConversionTime = stopwatch.ElapsedMilliseconds;

            #endregion
            #region 평균 값을 계산한다.

            stopwatch.Restart();

            double averageValue = NMathFunctions.Mean(doubleVector1);

            stopwatch.Stop();

            long averageValueTime = stopwatch.ElapsedMilliseconds;

            #endregion
            #region 중간 값을 계산한다.

            stopwatch.Restart();

            double medianValue = NMathFunctions.Median(doubleVector1);

            stopwatch.Stop();

            long medianValueTime = stopwatch.ElapsedMilliseconds;

            #endregion
            #region 표준 편차 값을 계산한다.

            stopwatch.Restart();

            double standardDeviationValue = StatsFunctions.StandardDeviation(doubleVector1);

            stopwatch.Stop();

            long standardDeviationValueTime = stopwatch.ElapsedMilliseconds;

            #endregion
            #region 상관 계수 값을 계산한다.

            stopwatch.Restart();

            double correlationValue = StatsFunctions.Correlation(doubleVector1, doubleVector2);

            stopwatch.Stop();

            long correlationValueTime = stopwatch.ElapsedMilliseconds;

            #endregion
            #region ANOVA 값을 계산한다.

            stopwatch.Restart();

            OneWayAnova oneWayAnova = new OneWayAnova();

            oneWayAnova.SetData(new DoubleVector[] { doubleVector1, doubleVector2 });

            double pValue = oneWayAnova.AnovaTable.FStatisticPValue;

            stopwatch.Stop();

            long pValueTime = stopwatch.ElapsedMilliseconds;

            #endregion

            this.dataConversionTimeTextBox2.Text         = dataConversionTime.ToString();
            this.averageValueTextBox2.Text               = averageValue.ToString();
            this.averageValueTimeTextBox2.Text           = averageValueTime.ToString();
            this.medianValueTextBox2.Text                = medianValue.ToString();
            this.medianValueTimeTextBox2.Text            = medianValueTime.ToString();
            this.standardDeviationValueTextBox2.Text     = standardDeviationValue.ToString();
            this.standardDeviationValueTimeTextBox2.Text = standardDeviationValueTime.ToString();
            this.correlationValueTextBox2.Text           = correlationValue.ToString();
            this.correlationValueTimeTextBox2.Text       = correlationValueTime.ToString();
            this.anovaValueTextBox.Text                  = pValue.ToString();
            this.anovaValueTimeTextBox.Text              = pValueTime.ToString();
        }

        #endregion
    }
}

100

101

102

103

104

105

106

107

108

109

110

111

112

113

114

115

116

117

118

119

120

121

122

123

124

125

126

127

128

129

130

131

132

133

134

135

136

137

138

139

140

141

142

143

144

145

146

147

148

149

150

151

152

153

154

155

156

157

158

159

160

161

162

163

164

165

166

167

168

169

170

171

172

173

174

175

176

177

178

179

180

181

182

183

184

185

186

187

188

189

190

191

192

193

194

195

196

197

198

199

200

201

202

203

204

205

206

207

208

209

210

211

212

213

214

215

216

217

218

219

220

221

222

223

224

225

226

227

228

229

230

231

232

233

234

235

236

237

238

239

240

241

242

243

244

245

246

247

248

249

250

251

252

253

254

255

256

257

258

259

260

261

262

263

264

265

266

267

268

269

270

271

272

273

274

275

276

277

278

279

280

281

282

283

284

285

286

287

288

289

290

291

292

293

294

295

296

297

298

299

300

301

302

303

304

305

306

307

308

using System;

using System.Diagnostics;

using System.IO;

using System.Linq;

using System.Windows.Forms;

using RDotNet;

using CenterSpace.NMath.Core;

using CenterSpace.NMath.Stats;

namespace TestProject

{

/// <summary>

/// 메인 폼

/// </summary>

public partial class MainForm : Form

{

//////////////////////////////////////////////////////////////////////////////////////////////////// Field

////////////////////////////////////////////////////////////////////////////////////////// Private

#region Field

/// <summary>

/// 소스 값 배열 1

/// </summary>

private double[] sourceValueArray1;

/// <summary>

/// 소스 값 배열 2

/// </summary>

private double[] sourceValueArray2;

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Constructor

////////////////////////////////////////////////////////////////////////////////////////// Public

#region 생성자 - MainForm()

/// <summary>

/// 생성자

/// </summary>

public MainForm()

{

InitializeComponent();

string pathValue = Environment.GetEnvironmentVariable("Path");

string rBinarayPath = @"C:\Program Files\R\R-3.4.1\bin\x64;C:\Program Files\R\R-3.4.1\bin\i386";

Environment.SetEnvironmentVariable("Path", pathValue + Path.PathSeparator + rBinarayPath);

this.runButton.Click += runButton_Click;

}

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Method

////////////////////////////////////////////////////////////////////////////////////////// Private

//////////////////////////////////////////////////////////////////////////////// Event

#region 실행 버튼 클릭시 처리하기 - runButton_Click(sender, e)

/// <summary>

/// 실행 버튼 클릭시 처리하기

/// </summary>

/// <param name="sender">이벤트 발생자</param>

/// <param name="e">이벤트 인자</param>

private void runButton_Click(object sender, EventArgs e)

{

this.sourceValueArray1 = GetSourceValueArray(1000000);

this.sourceValueArray2 = GetSourceValueArray(1000000);

CacluateWithR();

CalculateWithNMATH();

}

#endregion

//////////////////////////////////////////////////////////////////////////////// Function

#region 소스 값 배열 구하기 - GetSourceValueArray(count)

/// <summary>

/// 소스 값 배열 구하기

/// </summary>

/// <param name="count">카운트</param>

/// <returns>소스 값 배열</returns>

private double[] GetSourceValueArray(int count)

{

double[] valueArray = new double[count];

Random random = new Random(DateTime.Now.Millisecond);

for(int i = 0; i < count; i++)

{

valueArray[i] = random.NextDouble() * 100;

}

return valueArray;

}

#endregion

#region 계산하기 (R) - CacluateWithR()

/// <summary>

/// 계산하기 (R)

/// </summary>

private void CacluateWithR()

{

Stopwatch stopWatch = new Stopwatch();

using(REngine rEngine = REngine.CreateInstance("RDotNet"))

{

rEngine.Initialize();

#region 데이터를 변환한다.

stopWatch.Start();

//NumericVector numericVector1 = rEngine.CreateNumericVector(this.sourceValueArray1);

//NumericVector numericVector2 = rEngine.CreateNumericVector(this.sourceValueArray2);

NumericVector numericVector1 = new NumericVector(rEngine, this.sourceValueArray1);

NumericVector numericVector2 = new NumericVector(rEngine, this.sourceValueArray2);

stopWatch.Stop();

long dataConversionTime = stopWatch.ElapsedMilliseconds;

#endregion

rEngine.SetSymbol("group1", numericVector1);

rEngine.SetSymbol("group2", numericVector2);

#region 평균 값을 계산한다.

stopWatch.Restart();

double averageValue = rEngine.Evaluate("mean(group1)").AsNumeric().First();

stopWatch.Stop();

long averageValueTime = stopWatch.ElapsedMilliseconds;

#endregion

#region 중간 값을 계산한다.

stopWatch.Restart();

double medianValue = rEngine.Evaluate("median(group1)").AsNumeric().First();

stopWatch.Stop();

long medianValueTime = stopWatch.ElapsedMilliseconds;

#endregion

#region 표준 편차 값을 계산한다.

stopWatch.Restart();

double standardDeviationValue = rEngine.Evaluate("sd(group1)").AsNumeric().First();

stopWatch.Stop();

long standardDeviationValueTime = stopWatch.ElapsedMilliseconds;

#endregion

#region 상관 계수 값을 계산한다.

stopWatch.Restart();

double correlationValue = rEngine.Evaluate("cor(group1, group2)").AsNumeric().First();

stopWatch.Stop();

long correlationValueTime = stopWatch.ElapsedMilliseconds;

#endregion

#region ANOVA 값을 계산한다.

stopWatch.Restart();

GenericVector genericVector = rEngine.Evaluate("t.test(group1, group2)").AsList();

double pValue = genericVector["p.value"].AsNumeric().First();

stopWatch.Stop();

long pValueTime = stopWatch.ElapsedMilliseconds;

#endregion

this.dataConversionTimeTextBox1.Text = dataConversionTime.ToString();

this.avergageValueTextBox1.Text = averageValue.ToString();

this.averageValueTimeTextBox1.Text = averageValueTime.ToString();

this.medianValueTextBox1.Text = medianValue.ToString();

this.medianValueTimeTextBox1.Text = medianValueTime.ToString();

this.standardDeviationValueTextBox1.Text = standardDeviationValue.ToString();

this.standardDeviationValueTimeTextBox1.Text = standardDeviationValueTime.ToString();

this.correlationValueTextBox1.Text = correlationValue.ToString();

this.correlationValueTimeTextBox1.Text = correlationValueTime.ToString();

this.anovaValueTextBox1.Text = pValue.ToString();

this.anovaValueTimeTextBox1.Text = pValueTime.ToString();

}

#endregion

#region 계산하기 (NMATH) - CalculateWithNMATH()

/// <summary>

/// 계산하기 (NMATH)

/// </summary>

private void CalculateWithNMATH()

{

Stopwatch stopwatch = new Stopwatch();

#region 데이터를 변환한다.

stopwatch.Start();

DoubleVector doubleVector1 = new DoubleVector(this.sourceValueArray1);

DoubleVector doubleVector2 = new DoubleVector(this.sourceValueArray2);

stopwatch.Stop();

long dataConversionTime = stopwatch.ElapsedMilliseconds;

#endregion

#region 평균 값을 계산한다.

stopwatch.Restart();

double averageValue = NMathFunctions.Mean(doubleVector1);

stopwatch.Stop();

long averageValueTime = stopwatch.ElapsedMilliseconds;

#endregion

#region 중간 값을 계산한다.

stopwatch.Restart();

double medianValue = NMathFunctions.Median(doubleVector1);

stopwatch.Stop();

long medianValueTime = stopwatch.ElapsedMilliseconds;

#endregion

#region 표준 편차 값을 계산한다.

stopwatch.Restart();

double standardDeviationValue = StatsFunctions.StandardDeviation(doubleVector1);

stopwatch.Stop();

long standardDeviationValueTime = stopwatch.ElapsedMilliseconds;

#endregion

#region 상관 계수 값을 계산한다.

stopwatch.Restart();

double correlationValue = StatsFunctions.Correlation(doubleVector1, doubleVector2);

stopwatch.Stop();

long correlationValueTime = stopwatch.ElapsedMilliseconds;

#endregion

#region ANOVA 값을 계산한다.

stopwatch.Restart();

OneWayAnova oneWayAnova = new OneWayAnova();

oneWayAnova.SetData(new DoubleVector[] { doubleVector1, doubleVector2 });

double pValue = oneWayAnova.AnovaTable.FStatisticPValue;

stopwatch.Stop();

long pValueTime = stopwatch.ElapsedMilliseconds;

#endregion

this.dataConversionTimeTextBox2.Text = dataConversionTime.ToString();

this.averageValueTextBox2.Text = averageValue.ToString();

this.averageValueTimeTextBox2.Text = averageValueTime.ToString();

this.medianValueTextBox2.Text = medianValue.ToString();

this.medianValueTimeTextBox2.Text = medianValueTime.ToString();

this.standardDeviationValueTextBox2.Text = standardDeviationValue.ToString();

this.standardDeviationValueTimeTextBox2.Text = standardDeviationValueTime.ToString();

this.correlationValueTextBox2.Text = correlationValue.ToString();

this.correlationValueTimeTextBox2.Text = correlationValueTime.ToString();

this.anovaValueTextBox.Text = pValue.ToString();

this.anovaValueTimeTextBox.Text = pValueTime.ToString();

}

#endregion

}

TestSolution.zip