Source column "Label" not found

[mnbuch]

I am getting this error. Following is the stack trace:

System.Reflection.TargetInvocationException
HResult=0x80131604
Message=Exception has been thrown by the target of an invocation.
Source=System.Private.CoreLib
StackTrace:
at System.RuntimeMethodHandle.InvokeMethod(Object target, Object[] arguments, Signature sig, Boolean constructor)
at System.Reflection.RuntimeMethodInfo.UnsafeInvokeInternal(Object obj, Object[] parameters, Object[] arguments)
at Microsoft.ML.Runtime.EntryPoints.EntryPointNode.Run()
at Microsoft.ML.Runtime.EntryPoints.EntryPointGraph.RunNode(EntryPointNode node)
at Microsoft.ML.Runtime.EntryPoints.JsonUtils.GraphRunner.RunAllNonMacros()
at Microsoft.ML.Runtime.EntryPoints.JsonUtils.GraphRunner.RunAll()
at Microsoft.ML.LearningPipeline.TrainTInput,TOutput
at TaxiFarePrediction.Program.d__5.MoveNext() in E:\startsomething\ml\TaxiFarePrediction\TaxiFarePrediction\Program.cs:line 55

Inner Exception 1:
ArgumentOutOfRangeException: Source column 'Label' not found

---

Document Details

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• ID: a30b3ff-b5e6-ff02-6f60-b5cef6f34666
• Version Independent ID: fdf962e2-620e-d9ad-5057-5f96f52dc60f
• Content: Use ML.NET to predict New York Taxi Fares (Regression)
• Content Source: docs/machine-learning/tutorials/taxi-fare.md
• Service: unspecified
• Product: dotnet-ml
• GitHub Login: @aditidugar
• Microsoft Alias: johalex

[mnbuch]

Fixed it. My Bad.

For others here is what I did wrong: Make sure there are 2 brackets in the ColumnCopier Ctor

pipeline.Add(new ColumnCopier(("fare_amount", "Label")));

[JRAlexander]

Nicely done, @mnbuch!