在C#中从R检索结果 [英] Retrieve result from R in C#
本文介绍了在C#中从R检索结果的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
我使用R.NET执行更改点检测,如下所示:
I used R.NET to perform Change Point Detection as following
REngine.SetEnvironmentVariables();
REngine engine = REngine.GetInstance();
double[] data = new double[] { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12 };
NumericVector vector = engine.CreateNumericVector(data);
engine.Evaluate("library(changepoint)");
engine.SetSymbol("values", vector);
engine.Evaluate("values.ts = ts(values, frequency = 12, start = c(2017, 1))");
engine.Evaluate("chpoints = cpt.mean(values.ts, method=\"BinSeg\")");
var result = engine.GetSymbol("chpoints");
engine.Dispose();
result
的类型显示为RDotNet.SymbolicExpression
,RGui
上的chpoints
的class
显示为cpt
The Type of result
is shown as RDotNet.SymbolicExpression
and class
of chpoints
on RGui
is shown as cpt
> class(chpoints)
[1] "cpt"
attr(,"package")
[1] "changepoint"
我需要用C#返回结果以打印值,绘制图形,确定已标识的更改点等.
I need to get the result back in C# to print values, to draw a graph, to identify what change points have been identified, etc. Any suggestions please.
推荐答案
S4对象的此属性/键正在返回包含更改点的数组.
This property/key of the S4 object is returning an array which contains change points.
GenericVector gvec = s4["param.est"].AsList();
NumericVector nvec = gvec[0].AsNumeric();
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