如何使用R.Net在C#中执行ADF测试
我试图使R(及其广泛的分析能力)在我的C#项目中可用 R库和C#环境之间的最终桥梁是R.net 我完成了R.Net的设置,并开始编写我的第一个应用程序如何使用R.Net在C#中执行ADF测试,c#,r,r.net,C#,R,R.net,我试图使R(及其广泛的分析能力)在我的C#项目中可用 R库和C#环境之间的最终桥梁是R.net 我完成了R.Net的设置,并开始编写我的第一个应用程序 执行简单测试(使用R引擎) 并在控制台上给出了测试结果 就是这样 下面是到目前为止我能够起草的代码,它返回错误 那么,如何调试代码,使R.Net执行ADF测试呢 提前感谢您的时间和帮助 最好的 使用系统; 使用System.Collections.Generic; 使用System.Linq; 使用系统文本; 使用System.Threading
使用系统;
使用System.Collections.Generic;
使用System.Linq;
使用系统文本;
使用System.Threading.Tasks;
使用RDotNet;
使用System.IO;
静态void Main(字符串[]参数)
{
//设置RDotNet dll的环境
var envPath=Environment.GetEnvironmentVariable(“路径”);
var rBinPath=@“C:\Program Files\R\R-3.4.1\bin\i386”;
Environment.SetEnvironmentVariable(“PATH”,envPath+PATH.PathSeparator+rBinPath);
//创建一个RDotNet dll实例
REngine engine=REngine.CreateInstance(“RDotNet”);
engine.Initialize();
//一些测试数据-备选方案1-从.NET数组到R向量。
NumericVector组1=engine.CreateNumericVector(新的双精度[]{30.02,29.99,30.11,29.97,30.01,29.99});
发动机设置符号(“组1”,组1);
//一些测试数据-备选方案2-从直接编码到R向量。
NumericVector group2=engine.Evaluate(“group2adf不工作的基本原因是,执行adf测试所需的库应可用(即通过R的library()方法加载和/或附加)
加载库之后,此代码无法运行的唯一问题就是打字错误和其他语法错误
我修改了代码,现在可以正常工作了
修订守则如下(简化版):
使用系统;
使用System.Collections.Generic;
使用System.Linq;
使用系统文本;
使用System.Threading.Tasks;
使用RDotNet;
使用System.IO;
使用通用工具;
名称空间RDesk
{
班级计划
{
静态void Main(字符串[]参数)
{
//设置RDotNet dll的环境
var envPath=Environment.GetEnvironmentVariable(“路径”);
var rBinPath=@“C:\Program Files\R\R-3.4.1\bin\i386”;
Environment.SetEnvironmentVariable(“PATH”,envPath+PATH.PathSeparator+rBinPath);
//创建一个RDotNet dll实例
REngine engine=REngine.CreateInstance(“RDotNet”);
engine.Initialize();
//一些测试数据-备选方案1-从.NET数组到R向量。
NumericVector组1=engine.CreateNumericVector(新的双精度[]{30.02,29.99,30.11,29.97,30.01,29.99});
发动机设置符号(“组1”,组1);
//一些测试数据-备选方案2-从直接编码到R向量。
NumericVector group2=引擎。评估(“group2
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using RDotNet;
using System.IO;
static void Main(string[] args)
{
// set the environment for RDotNet dll
var envPath = Environment.GetEnvironmentVariable("PATH");
var rBinPath = @"C:\Program Files\R\R-3.4.1\bin\i386";
Environment.SetEnvironmentVariable("PATH", envPath + Path.PathSeparator + rBinPath);
// create one instance of RDotNet dll
REngine engine = REngine.CreateInstance("RDotNet");
engine.Initialize();
// some test data - alternative 1- from .NET array to R vector.
NumericVector group1 = engine.CreateNumericVector(new double[] { 30.02, 29.99, 30.11, 29.97, 30.01, 29.99 });
engine.SetSymbol("group1", group1);
// some test data - alternative 2 - from direct coding to R vector.
NumericVector group2 = engine.Evaluate("group2 <- c(29.89, 29.93, 29.72, 29.98, 30.02, 29.98)").AsNumeric();
#region: t-test as an example
string testCommand = "t.test(group1, group2)";
GenericVector tTest = engine.Evaluate(testCommand).AsList();
double p = tTest["p.value"].AsNumeric().First();
// present the results on console
Console.WriteLine("Group1: [{0}]", string.Join(", ", group1));
Console.WriteLine("Group2: [{0}]", string.Join(", ", group2));
Console.WriteLine("P-value = {0:0.000}", p);
// THIS WORKED WELL!! OK!! NO ISSUES SO FAR!!
#endregion
#region: adf test as another example
// write the command
testCommand = @"adf.test(group1,alternative=""stationary"")";
Console.WriteLine("testCommand: " + testCommand);
// get the result
engine.Evaluate(testCommand);
GenericVector adfTest = engine.Evaluate(testCommand).AsList();
// THIS RETURNS ERROR!! ERROR MESSAGE IS NOT CLEAR TO UNDERSTAND AND RESOLVE!
#endregion.
// you should always dispose of the REngine properly.
// After disposing of the engine, you cannot reinitialize nor reuse it
engine.Dispose();
}
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using RDotNet;
using System.IO;
using commonTools;
namespace RDesk
{
class Program
{
static void Main(string[] args)
{
// set the environment for RDotNet dll
var envPath = Environment.GetEnvironmentVariable("PATH");
var rBinPath = @"C:\Program Files\R\R-3.4.1\bin\i386";
Environment.SetEnvironmentVariable("PATH", envPath + Path.PathSeparator + rBinPath);
// create one instance of RDotNet dll
REngine engine = REngine.CreateInstance("RDotNet");
engine.Initialize();
// some test data - alternative 1- from .NET array to R vector.
NumericVector group1 = engine.CreateNumericVector(new double[] { 30.02, 29.99, 30.11, 29.97, 30.01, 29.99 });
engine.SetSymbol("group1", group1);
// some test data - alternative 2 - from direct coding to R vector.
NumericVector group2 = engine.Evaluate("group2 <- c(29.89, 29.93, 29.72, 29.98, 30.02, 29.98)").AsNumeric();
#region: t-test as an example
string testCommand = "t.test(group1, group2)";
GenericVector tTest = engine.Evaluate(testCommand).AsList();
double p = tTest["p.value"].AsNumeric().First();
// present the results on console
Console.WriteLine("Group1: [{0}]", string.Join(", ", group1));
Console.WriteLine("Group2: [{0}]", string.Join(", ", group2));
Console.WriteLine("P-value = {0:0.000}", p);
#endregion
#region: adf test as another example
string adfTestCommand
= " library(tseries) " + System.Environment.NewLine
+ " library(forecast) " + System.Environment.NewLine
+ "adfTest = " + @"adf.test(group1,alternative=""stationary"", k=0)"
+ System.Environment.NewLine// df test
;
// get the result
// engine.Evaluate(RCommand);
GenericVector adfTest = engine.Evaluate(RCommand).AsList();
#endregion.
// you should always dispose of the REngine properly.
// After disposing of the engine, you cannot reinitialize nor reuse it
engine.Dispose();
}
}
}