[英]'Invalid term in model formula' when calling R.armaFit
I'm getting this message:我收到这条消息:
Error in terms.formula(formula, data = data) :
term.formula(formula, data = data) 中的错误:
invalid term in model formula
模型公式中的无效项
When calling this code:调用此代码时:
let data : float[] = // ...
R.eval(R.parse(text="library(fArma)")) |> ignore
let dataset =
namedParams["XX", box data]
|> R.data_frame
let fitted = R.armaFit(formula="XX ~ arma(1 , 1)", data=dataset)
The error is triggered by the last line.错误由最后一行触发。
I've tried removing the box
, the XX ~
, but I get the same result.我试过移除
box
XX ~
,但我得到了相同的结果。
I was trying to follow this guide: https://www.r-bloggers.com/arma-models-for-trading/我试图遵循本指南: https : //www.r-bloggers.com/arma-models-for-trading/
The log reports this:日志报告如下:
[03/02/17 18:01:46] [Pid:10004, Tid:1, Apid:1] eval(base::
data.frame
(XX=fsr_10004_3)) [03/02/17 18:01:46] [Pid:10004, Tid:1, Apid:1] Output: [03/02/17 18:01:50] [Pid:10004, Tid:1, Apid:1] eval(fArma::armaFit
(formula=fsr_10004_4, data=fsr_10004_5)) [03/02/17 18:01:50] [Pid:10004, Tid:1, Apid:1] Output: Error in terms.formula(formula, data = data) : invalid term in model formula[03/02/17 18:01:46] [Pid:10004, Tid:1, Apid:1] eval(base::
data.frame
(XX=fsr_10004_3)) [03/02/17 18:01:46 ] [Pid:10004, Tid:1, Apid:1] 输出:[03/02/17 18:01:50] [Pid:10004, Tid:1, Apid:1] eval(fArma::armaFit
(formula= fsr_10004_4, data=fsr_10004_5)) [03/02/17 18:01:50] [Pid:10004, Tid:1, Apid:1] 输出:terms.formula(formula, data = data)中的错误:invalid term模型公式[03/02/17 18:01:50] [Pid:10004, Tid:1, Apid:1] Operation failed:
[03/02/17 18:01:50] [Pid:10004, Tid:1, Apid:1] 操作失败:
RDotNet.EvaluationException: Error in terms.formula(formula, data = data) : invalid term in model formulaRDotNet.EvaluationException:terms.formula(formula, data = data) 中的错误:模型公式中的无效项
let armaFit = R.armaFit(R.as_formula("xx ~ arma(1,1)"), dataset)
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