static async Task Main(string[] args)
{
PredictionModel <CustData, ClusterPrediction> model = await Train();
var prediction = model.Predict(TestCustData.PredictionObj);
Console.WriteLine($"Cluster: {prediction.PredictedCustId}");
Console.WriteLine($"Distances: {string.Join(" ", prediction.Distancessdfsd)}");
Console.ReadLine();
}
public static IEnumerable <(ArticleContentData, ArticleContentPrediction)> Predict(PredictionModel <ArticleContentData, ArticleContentPrediction> model, IEnumerable <ArticleContentData> dataSet)
{
List <ArticleContentData> result = new List <ArticleContentData>();
var predictions = model.Predict(dataSet);
var response = dataSet.Zip(predictions, (data, prediction) => (data, prediction));
return(response);
}
private void ValidateExamplesLightGBM(PredictionModel <SentimentData, SentimentPrediction> model)
{
var sentiments = GetTestData();
var predictions = model.Predict(sentiments);
Assert.Equal(2, predictions.Count());
Assert.True(predictions.ElementAt(0).Sentiment);
Assert.True(predictions.ElementAt(1).Sentiment);
}
static void Main(string[] args)
{
PredictionModel <TaxiTrip, TaxiTripFarePrediction> model = Train().Result;
Evaluate(model);
var prediction = model.Predict(TestTrips.Trip1);
Console.WriteLine("Predicted fare: {0}, actual fare: 29.5", prediction.fare_amount);
}
public async Task <bool> Predicate(UsageOfLightBulbModel usageOfLightBulbModel)
{
// PredictionModel<UsageOfLightBulbModel, UsageOfLightBulbPredictionModel> model = await Train();
UsageOfLightBulbPredictionModel prediction = model.Predict(usageOfLightBulbModel);
Console.WriteLine("Predicted fare: {0}, actual fare: 29.5", prediction.IsOn);
var result = (prediction.IsOn > 0.5) ? true : false;
return(result);
}
public IEnumerable <(SentimentData sentiment, SentimentPrediction prediction)> Predict(IEnumerable <SentimentData> sentiments)
{
IEnumerable <SentimentPrediction> predictions = _model.Predict(sentiments);
IEnumerable <(SentimentData sentiment, SentimentPrediction prediction)> sentimentsAndPredictions = sentiments
.Zip(predictions, (sentiment, prediction) => (sentiment, prediction))
.ToList();
return(sentimentsAndPredictions);
}
static async Task Main(string[] args)
{
PredictionModel <TaxiTrip, TaxiTripFarePrediction> model = await Train();
Evaluate(model);
TaxiTripFarePrediction prediction = model.Predict(TestTrips.Trip1);
Console.WriteLine("Predicted fare: {0}, actual fare: 29.5", prediction.FareAmount);
}
public static void Execute()
{
Console.WriteLine("Executing Iris Experiment");
if (File.Exists(modelPath))
{
Console.WriteLine("Using existing model");
model = PredictionModel.ReadAsync <IrisData, IrisPrediction>(modelPath).Result;
}
else
{
Console.WriteLine("Creating new model");
// STEP 2: Create a pipeline and load your data
var pipeline = new LearningPipeline();
// If working in Visual Studio, make sure the 'Copy to Output Directory'
// property of iris-data.txt is set to 'Copy always'
pipeline.Add(new TextLoader <IrisData>(dataPath, separator: ","));
// STEP 3: Transform your data
// Assign numeric values to text in the "Label" column, because only
// numbers can be processed during model training
pipeline.Add(new Dictionarizer("Label"));
// Puts all features into a vector
pipeline.Add(new ColumnConcatenator("Features", "SepalLength", "SepalWidth", "PetalLength", "PetalWidth"));
// STEP 4: Add learner
// Add a learning algorithm to the pipeline.
// This is a classification scenario (What type of iris is this?)
pipeline.Add(new StochasticDualCoordinateAscentClassifier());
// Convert the Label back into original text (after converting to number in step 3)
pipeline.Add(new PredictedLabelColumnOriginalValueConverter()
{
PredictedLabelColumn = "PredictedLabel"
});
// STEP 5: Train your model based on the data set
model = pipeline.Train <IrisData, IrisPrediction>();
model.WriteAsync(modelPath);
}
// STEP 6: Use your model to make a prediction
// You can change these numbers to test different predictions
var prediction = model.Predict(new IrisData()
{
SepalLength = 3.3f,
SepalWidth = 1.6f,
PetalLength = 1.7f,
PetalWidth = 1.7f,
});
Console.WriteLine($"Predicted flower type is: {prediction.PredictedLabels}");
Console.ReadLine();
}
public string Predict(SubjectData subjectData)
{
if (model == null)
{
Train();
}
var prediction = model.Predict(subjectData);
return(prediction.PredictedLabels);
}
public static async Task BC()
{
PredictionModel <FoodBinaryClass, FPrediction> model = Train();
await model.WriteAsync(_modelPath);
var prediction = model.Predict(binaryTest.meal);
System.Diagnostics.Debug.WriteLine($"Decision: {prediction.Prediction}");
System.Diagnostics.Debug.WriteLine($"Probability: {prediction.Probability}");
System.Diagnostics.Debug.WriteLine($"Score: {prediction.Score}");
}
public static async Task <string> PredictAsync(GitHubIssue issue)
{
if (_model == null)
{
_model = await PredictionModel.ReadAsync <GitHubIssue, GitHubIssuePrediction>(ModelPath);
}
var prediction = _model.Predict(issue);
return(prediction.Area);
}
private static void Main(string[] args)
{
PredictionModel <IrisData, ClusterPrediction> model = Train();
model.WriteAsync(_modelPath);
var prediction = model.Predict(TestIrisData.Setosa);
Console.WriteLine($"Cluster: {prediction.PredictedClusterId}");
Console.WriteLine($"Distances: {string.Join(" ", prediction.Distances)}");
}
public static PredictionModel <DatosSentimiento, PrediccSentimiento> EntrenayPredice()
{
//Recoleccion de Datos
var pipeline = new LearningPipeline();
pipeline.Add(new TextLoader <DatosSentimiento>(_rutaDatosEntrenamiento, useHeader: false, separator: "tab"));
pipeline.Add(new TextFeaturizer("Features", "Texto"));
pipeline.Add(new FastTreeBinaryClassifier()
{
NumLeaves = 5, NumTrees = 5, MinDocumentsInLeafs = 2
}); //Aprediz de arbol de decision (Regresión);
//Entrenamiento
PredictionModel <DatosSentimiento, PrediccSentimiento> modelo = pipeline.Train <DatosSentimiento, PrediccSentimiento>();
IEnumerable <DatosSentimiento> sentimientos = new[]
{
new DatosSentimiento
{
Texto = "This movie was very boring",
Etiqueta = 0
},
new DatosSentimiento
{
Texto = "The movie does not have a great story to tell.",
//Texto="The movie did not get my attention",
Etiqueta = 0
},
new DatosSentimiento
{
//Texto="A super exciting and entertaining movie",
Texto = "It was a very exciting from the start",
Etiqueta = 1
}
};
var predicciones = modelo.Predict(sentimientos);
Console.WriteLine();
Console.WriteLine("Predicción de sentimientos");
Console.WriteLine("---------------------------");
var sentimientosYpredicciones = sentimientos.Zip(predicciones, (sent, predict) => (sent, predict));
foreach (var item in sentimientosYpredicciones)
{
Console.WriteLine($"Sentimiento: {item.sent.Texto} | Predicción: {(item.predict.Etiqueta ? "Positivo: )": "Negativo: (")}");
}
Console.WriteLine();
//Evaluación del Modelo
return(modelo);
}
public static async Task Main(float userBMI, float userWC)
{
// Use the trained model to classify the user based on their details
var prediction = TrainedModel.Predict(new WeightData()
{
BMI = userBMI,
WC = userWC
});
category = prediction.PredictedLabels;
}
public static void Predict(PredictionModel <DiabetesData, DiabetesPrediction> model)
{
var lines = File.ReadAllLines(_testDataPath);
List <DiabetesData> lstData = new List <DiabetesData>();
foreach (var line in lines)
{
string[] words = line.Split(',');
foreach (var word in words)
{
List <DiabetesData> data = new List <DiabetesData>();
DiabetesData diabData = new DiabetesData();
//num_preg,glucose_conc,diastolic_bp,thickness,insulin,bmi,diab_pred,age,skin,diabetes
// Stuck here how to proceed as I tried to assign it I get paragraphs of errors and exceptions
diabData.num_preg = Convert.ToSingle(words[0]);
diabData.glucose_conc = Convert.ToSingle(words[1]);
diabData.diastolic_bp = Convert.ToSingle(words[2]);
diabData.thickness = Convert.ToSingle(words[3]);
diabData.insulin = Convert.ToSingle(words[4]);
diabData.bmi = Convert.ToSingle(words[5]);
diabData.diab_pred = Convert.ToSingle(words[6]);
diabData.age = Convert.ToSingle(words[7]);
diabData.diabetes = Convert.ToInt32(words[8]) == 1;
if (new Random().Next() % 50 == 0)
{
lstData.Add(diabData);
}
}
}
IEnumerable <DiabetesPrediction> predictions = model.Predict(lstData);
Console.WriteLine();
Console.WriteLine(" Predictions");
Console.WriteLine("---------------------");
var sentimentsAndPredictions = lstData.Zip(predictions, (diabetes, prediction) => (diabetes, prediction));
int total = sentimentsAndPredictions.Count();
int rightCount = 0, wrongCount = 0;
foreach (var item in sentimentsAndPredictions)
{
if (item.diabetes.diabetes == item.prediction.diabetes)
{
Console.WriteLine($"Data: {item.diabetes.diabetes} ------ Prediction: {item.prediction.diabetes}");
}
}
Console.WriteLine();
}
static async Task Main(string[] args)
{
Console.WriteLine(Environment.CurrentDirectory);
PredictionModel <NodeObject, NodePrediction> model = await Train();
//Evaluate(model);
NodePrediction prediction = model.Predict(TestNode.Node1);
Console.WriteLine("Predicted Node ID: {0}", prediction.NodeIdCounter);
Console.ReadKey();
}
public static async Task <string> PredictAsync(GitHubIssue issue, ILogger logger, double threshold)
{
PredictionModel <GitHubIssue, GitHubIssuePrediction> model = await PredictionModel.ReadAsync <GitHubIssue, GitHubIssuePrediction>(ModelPath);
GitHubIssuePrediction prediction = model.Predict(issue);
float[] probabilities = prediction.Probabilities;
float maxProbability = probabilities.Max();
logger.LogInformation($"# {maxProbability.ToString()} {prediction.Area} for #{issue.ID} {issue.Title}");
return(maxProbability > threshold ? prediction.Area : null);
}
private static void Predict(PredictionModel <AgeRange, AgeRangePrediction> model, string name, float age, string gender)
{
var input = new AgeRange
{
Age = age,
Name = name,
Gender = gender
};
var pred = model.Predict(input);
Console.WriteLine($"Predicted label for Name {name}, Age {age}, Gender {gender}; is {pred.PredictedLabel}");
}
public static PredictionModel <SentimentData, SentimentPrediction> TrainAndPredict()
{
var pipeline = new LearningPipeline();
pipeline.Add(new TextLoader <SentimentData>(_dataPath, useHeader: false, separator: "tab"));
pipeline.Add(new TextFeaturizer("Features", "SentimentText"));
pipeline.Add(new FastTreeBinaryClassifier()
{
NumLeaves = 5, NumTrees = 5, MinDocumentsInLeafs = 2
});
IEnumerable <SentimentData> sentiments = new[]
{
new SentimentData
{
SentimentText = "Contoso's 11 is a wonderful experience",
Sentiment = 0
},
new SentimentData
{
SentimentText = "The acting in this movie is very bad",
Sentiment = 0
},
new SentimentData
{
SentimentText = "Joe versus the Volcano Coffee Company is a great film.",
Sentiment = 0
}
};
PredictionModel <SentimentData, SentimentPrediction> model = pipeline.Train <SentimentData, SentimentPrediction>();
IEnumerable <SentimentPrediction> _predictions = model.Predict(sentiments);
Console.WriteLine();
Console.WriteLine("Sentiment Predictions");
Console.WriteLine("---------------------");
var sentimentsAndPredictions = sentiments.Zip(_predictions, (sentiment, prediction) => (sentiment, prediction));
foreach (var item in sentimentsAndPredictions)
{
Console.WriteLine($"Sentiment: {item.sentiment.SentimentText} | Prediction: {(item.prediction.Sentiment ? "Positive" : "Negative")}");
}
Console.WriteLine();
return(model);
}
static async Task Main(string[] args)
{
PredictionModel <IrisData, ClusterPrediction> model = Train();
await model.WriteAsync(_modelPath);
var prediction = model.Predict(TestIrisData.Setosa);
Console.WriteLine($"Cluster: {prediction.PredictedClusterId}");
Console.WriteLine($"Distances: {string.Join(" ", prediction.Distances)}");
Console.Write("press any key to close...");
Console.ReadKey();
}
public static void Predict(PredictionModel <SentimentData, SentimentPrediction> model, IMongoDatabase db)
{
// Adds some comments to test the trained model's predictions.
// <Snippet18>
IEnumerable <SentimentData> sentiments = new[]
{
new SentimentData
{
text = "Very bad service and low quality of coffee too. Waiting for so long even tried to rush them already."
},
new SentimentData
{
text = "This place is amazing!! I had the classic cheese burger with fries. Hands down the best burger I have ever had"
},
new SentimentData
{
text = "If I could give zero stars I would. Terribly overpriced. Dried over cooked barramundi with no seasoning or flavor at all"
},
new SentimentData
{
text = "Small menu but the food is quite good. It's fast and easy, one of the better options around the area. We had the seafood laksa and seafood Pad Kee Mao"
}
};
// </Snippet18>
// Use the model to predict the positive
// or negative sentiment of the comment data.
// <Snippet19>
IEnumerable <SentimentPrediction> predictions = model.Predict(sentiments);
// </Snippet19>
// <Snippet20>
Console.WriteLine();
Console.WriteLine("Sentiment Predictions");
Console.WriteLine("---------------------");
// </Snippet20>
// Builds pairs of (sentiment, prediction)
// <Snippet21>
var sentimentsAndPredictions = sentiments.Zip(predictions, (sentiment, prediction) => (sentiment, prediction));
// </Snippet21>
// <Snippet22>
foreach (var item in sentimentsAndPredictions)
{
Console.WriteLine($"Sentiment: {item.sentiment.text} | Prediction: {(item.prediction.sentiment ? "Positive" : "Negative")}");
}
Console.WriteLine();
// </Snippet22>
}
public void Predict()
{
List <ManifestDataTraining> records = ReadInputData();
var res = model.Predict(records);
foreach (var item in res)
{
records.First(x => x.PassengerId == item.PassengerId).Survived = item.Survived;
}
WriteResult(records);
}
private static void Evaluate(PredictionModel <TaxiTrip, TaxiTripFarePrediction> model)
{
var textData = new TextLoader <TaxiTrip>(TestDataPath, useHeader: true, separator: ",");
var evaluator = new RegressionEvaluator();
RegressionMetrics matrics = evaluator.Evaluate(model, textData);
Console.WriteLine("Rms=" + matrics.Rms);
Console.WriteLine("RSquared=" + matrics.RSquared);
TaxiTripFarePrediction prediction01 = model.Predict(TestTrips.Trip1);
Console.WriteLine("Predict fare : {0}, actual fare : 29.5", prediction01.fare_amount);
}
public static async Task <string> PredictAsync(GitHubIssue issue, ILogger logger)
{
PredictionModel <GitHubIssue, GitHubIssuePrediction> model = await PredictionModel.ReadAsync <GitHubIssue, GitHubIssuePrediction>(ModelPath);
GitHubIssuePrediction prediction = model.Predict(issue);
float[] probabilities = prediction.Probabilities;
float maxProbability = probabilities.Max();
logger.LogInformation($"Label {prediction.Area} for {issue.ID} is predicted with confidence {maxProbability.ToString()}");
return(maxProbability > 0.8 ? prediction.Area : null);
}
public static void Predict(PredictionModel <PokerHandData, PokerHandPrediction> model)
{
var test1 = new PokerHandData
{
S1 = 1,
C1 = 2,
S2 = 1,
C2 = 3,
S3 = 3,
C3 = 4,
S4 = 4,
C4 = 5,
S5 = 2,
C5 = 6
};
var test2 = new PokerHandData
{
S1 = 4,
C1 = 5,
S2 = 1,
C2 = 5,
S3 = 3,
C3 = 5,
S4 = 2,
C4 = 12,
S5 = 4,
C5 = 7
};
test1.Init();
test2.Init();
IEnumerable <PokerHandData> pokerHands = new[]
{
test1,
test2
};
IEnumerable <PokerHandPrediction> predictions = model.Predict(pokerHands);
Console.WriteLine();
Console.WriteLine("PokerHand Predictions");
Console.WriteLine("---------------------");
var pokerHandsAndPredictions = pokerHands.Zip(predictions, (pokerHand, prediction) => (pokerHand, prediction));
foreach (var(pokerHand, prediction) in pokerHandsAndPredictions)
{
Console.WriteLine($"PokerHand: {ShowHand(pokerHand)} | Prediction: { GetPower(prediction.PredictedPower)}");
}
Console.WriteLine();
}
static void Main(string[] args)
{
var pipeline = new LearningPipeline();
var loader = new TextLoader(dataPath).CreateFrom <SentimentData>(useHeader: true, '\t');
pipeline.Add(loader);
pipeline.Add(new TextFeaturizer("Features", "SentimentText")
{
StopWordsRemover = new PredefinedStopWordsRemover(),
KeepPunctuations = false,
TextCase = TextNormalizerTransformCaseNormalizationMode.Lower,
VectorNormalizer = TextTransformTextNormKind.L2
});
pipeline.Add(new StochasticDualCoordinateAscentBinaryClassifier()
{
NumThreads = 8, Shuffle = true, NormalizeFeatures = NormalizeOption.Yes
});
PredictionModel <SentimentData, SentimentPrediction> model = pipeline.Train <SentimentData, SentimentPrediction>();
IEnumerable <SentimentData> sentiments = new[]
{
new SentimentData
{
SentimentText = "I hated the movie."
},
new SentimentData
{
SentimentText = "The movie was entertaining the whole time, i really enjoyed it."
}
};
IEnumerable <SentimentPrediction> predictions = model.Predict(sentiments);
foreach (var item in predictions)
{
Console.WriteLine($"Prediction: {(item.Sentiment ? "Positive" : "Negative")}");
}
var evulatorTrained = new BinaryClassificationEvaluator();
BinaryClassificationMetrics metricsTrained = evulatorTrained.Evaluate(model, loader);
Console.WriteLine("ACCURACY OF MODEL ON TRAINED DATA: " + metricsTrained.Accuracy);
model.WriteAsync(trainedModelPath);
Console.Read();
}
private static PredictionModel <NodeData, ClusterPrediction> TrainTheModel()
{
Console.WriteLine();
Console.WriteLine("Starting Machine Learning...");
PredictionModel <NodeData, ClusterPrediction> model = Train();
model.WriteAsync(_modelPath).Wait();
var prediction = model.Predict(TestNodeData.RandomNode);
Console.WriteLine($"Cluster: {prediction.PredictedClusterId}");
Console.WriteLine($"Distances: {string.Join(" ", prediction.Distances)}");
Console.WriteLine("<<<<< Machine Learning Complete! >>>>>");
return(model);
}
private static void VisualizeTenPredictionsForTheModel(
PredictionModel <WineQualitySample, WineQualityPrediction> model,
string testDataLocation)
{
var testData = new WineQualityCsvReader().GetWineQualitySamplesFromCsv(testDataLocation).ToList();
for (int i = 0; i < 10; i++)
{
var prediction = model.Predict(testData[i]);
Console.WriteLine($"-------------------------------------------------");
Console.WriteLine($"Predicted : {prediction.PredictedLabel}");
Console.WriteLine($"Actual: {testData[i].Label}");
Console.WriteLine($"-------------------------------------------------");
}
}
public static void Predict(IEnumerable <SentimentData> sentiments, PredictionModel <SentimentData, SentimentPrediction> model)
{
IEnumerable <SentimentPrediction> predictions = model.Predict(sentiments);
Console.WriteLine();
Console.WriteLine("Sentiment Predictions");
Console.WriteLine("---------------------");
var sentimentsAndPredictions = sentiments.Zip(predictions, (sentiment, prediction) => (sentiment, prediction));
foreach (var item in sentimentsAndPredictions)
{
Console.WriteLine($"Sentiment: {item.sentiment.SentimentText} | Prediction: {(item.prediction.Sentiment ? "Positive" : "Negative")}");
}
Console.WriteLine();
}
private static void VisualizeTenPredictionsForTheModel(
PredictionModel <BikeSharingDemandSample, BikeSharingDemandPrediction> model,
string testDataLocation)
{
var testData = new BikeSharingDemandsCsvReader().GetDataFromCsv(testDataLocation).ToList();
for (int i = 0; i < 10; i++)
{
var prediction = model.Predict(testData[i]);
Console.WriteLine($"-------------------------------------------------");
Console.WriteLine($"Predicted : {prediction.PredictedCount}");
Console.WriteLine($"Actual: {testData[i].Count}");
Console.WriteLine($"-------------------------------------------------");
}
}
