我希望能夠將option float
的序列傳遞給F#
中的RProvider。如果我有一個帶有Some float
和None
的花車序列,如何將None
值與RProvider
一起變爲R
?我本來期望的None
s就相當於R
的NA
價值,但我不能讓傳遞seq<option float>
到R.將F#中的seq <float option>傳遞給RProvider
例如,
open System
open RDotNet
open RProvider
open RProvider.graphics
open RProvider.stats
let optData4 =
seq [Some 10.0; Some 9.0; Some 8.0; None; Some 6.0;
Some 5.0; Some 5.0; None; Some 4.0; Some 2.0;
None]
let testData4 =
namedParams [
"regPrice", optData4;]
|> R.data_frame
,我收到了多直插式的錯誤:
System.Exception: No converter registered for type Microsoft.FSharp.Collections.FSharpList`1[[Microsoft.FSharp.Core.FSharpOption`1[[System.Double, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089]], FSharp.Core, Version=4.4.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a]] or any of its base types
> at [email protected](String message) in C:\Tomas\Public\bmc\FSharp.RProvider\src\RProvider\RInterop.fs:line 164
at RProvider.RInteropInternal.REngine.SetValue(REngine this, Object value, FSharpOption`1 symbolName) in C:\Tomas\Public\bmc\FSharp.RProvider\src\RProvider\RInterop.fs:line 274
at RProvider.RInteropInternal.toR(Object value) in C:\Tomas\Public\bmc\FSharp.RProvider\src\RProvider\RInterop.fs:line 287
at [email protected](List`1 tempSymbols, Object arg) in C:\Tomas\Public\bmc\FSharp.RProvider\src\RProvider\RInterop.fs:line 461
at [email protected](IEnumerable`1& next) in C:\Tomas\Public\bmc\FSharp.RProvider\src\RProvider\RInterop.fs:line 469
at Microsoft.FSharp.Core.CompilerServices.GeneratedSequenceBase`1.MoveNextImpl()
at Microsoft.FSharp.Core.CompilerServices.GeneratedSequenceBase`1.System-Collections-IEnumerator-MoveNext()
at System.Collections.Generic.List`1..ctor(IEnumerable`1 collection)
at Microsoft.FSharp.Collections.SeqModule.ToArray[T](IEnumerable`1 source)
at RProvider.RInterop.callFunc(String packageName, String funcName, IEnumerable`1 argsByName, Object[] varArgs) in C:\Tomas\Public\bmc\FSharp.RProvider\src\RProvider\RInterop.fs:line 466
at <StartupCode$FSI_0012>[email protected]() in C:\Users\sranney\repositories\carolina_refit_bits\refit_bits\refit_bits\RDemo.fs:line 102
Stopped due to error
我可以通過什麼的RProvider
的唯一方法是,如果我轉換seq<option float>
爲seq<float>
與
let optData4 =
seq [Some 10.0; Some 9.0; Some 8.0; None; Some 6.0;
Some 5.0; Some 5.0; None; Some 4.0; Some 2.0;
None]
|> Seq.choose id
let testData4 =
namedParams [
"regPrice", optData4;]
|> R.data_frame
但這否定了有沒有的選項(這,我還以爲是堪比R
小號NA
價值的目的。
我怎麼能值傳遞給RProvider
序列,其中一些值是F#
None
並應在R
NA
?
我絕對沒有F#的知識,但是在R中,NA是一個超類,它包含了每個模式的其他邏輯的特定NA值。如果順序與「浮動」,那麼你可能需要返回'NA_real_' –