Perhaps show how to understand what class has what score

[PeterPann23]

One gets an set of scores only no documented way to map the value to class.

Perhaps add some samples like:
var predEngine = mlContext.Model.CreatePredictionEngine<IrisData, IrisPrediction>(trainedModel);
VBuffer<float> keys = default;
predEngine.OutputSchema["PredictedLabel"].GetKeyValues(ref keys);
var labelsArray = keys.DenseValues().ToArray();
for (var i = 0; i < keys.Length; i++)
Console.WriteLine($"key {labelsArray[i]} = {metrics.PerClassLogLoss[i]:P4}");

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Document Details

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• ID: 3a185e45-64a6-62d0-14ce-98dcb476c011
• Version Independent ID: 2e425649-9cc1-3aff-a82c-59b04ae34702
• Content: MulticlassClassificationMetrics.PerClassLogLoss Property (Microsoft.ML.Data)
• Content Source: dotnet/xml/Microsoft.ML.Data/MulticlassClassificationMetrics.xml
• Product: dotnet-ml-api
• GitHub Login: @sfilipi
• Microsoft Alias: johalex