private List <IrisData> ReadDataFromFile(string path)
{
var result = new List <IrisData>();
using (var reader = new StreamReader(path))
{
while (!reader.EndOfStream)
{
var record = new IrisData();
var line = reader.ReadLine();
var values = line.Split(',');
record.SepalLenght = decimal.Parse(values[0]);
record.SepalWidth = decimal.Parse(values[1]);
record.PetalLenght = decimal.Parse(values[2]);
record.PetalWidth = decimal.Parse(values[3]);
record.IrisClass = values[4] switch
{
"Iris-setosa" => IrisClassEnum.IrisSetosa,
"Iris-versicolor" => IrisClassEnum.IrisVersicolour,
"Iris-virginica" => IrisClassEnum.IrisVirginica,
_ => IrisClassEnum.Unknown
};
result.Add(record);
}
}
return(result);
}
}
public IActionResult Predict([FromBody] Iris iris)
{
var pipeline = new LearningPipeline
{
new TextLoader <IrisData>("iris-data.txt", separator: ","),
new Dictionarizer("Label"),
new ColumnConcatenator("Features", "SepalLength", "SepalWidth", "PetalLength", "PetalWidth"),
new StochasticDualCoordinateAscentClassifier(),
new PredictedLabelColumnOriginalValueConverter {
PredictedLabelColumn = "PredictedLabel"
}
};
var data = new IrisData
{
PetalLength = iris.PetalLength,
PetalWidth = iris.PetalWidth,
SepalLength = iris.SepalLength,
SepalWidth = iris.SepalWidth
};
var model = pipeline.Train <IrisData, IrisPrediction>();
var prediction = model.Predict(data);
return(Ok(prediction));
}
public string Post([FromBody] IrisData instance)
{
var model = PredictionModel.ReadAsync <IrisData, IrisPrediction>("model.zip").Result;
var prediction = model.Predict(instance);
return(prediction.PredictedLabels);
}
static void Main(string[] args)
{
var mlContext = new MLContext();
//import data
var trainingData = mlContext.Data.LoadFromTextFile <IrisData>(
path: dataPath,
hasHeader: false,
separatorChar: ',');
//data preparation and training pipeline
var pipeline = mlContext.Transforms
.Concatenate("Features", "SepalLength", "SepalWidth", "PetalLength", "PetalWidth")
.Append(mlContext.Clustering.Trainers.KMeans("Features", numberOfClusters: 3));
//train
var model = pipeline.Fit(trainingData);
//prediction
var dataToMakePredictionOn = new IrisData()
{
PetalLength = 0.2f, PetalWidth = 5.6f, SepalLength = 1f, SepalWidth = 1.6f
};
var label = mlContext.Model.CreatePredictionEngine <IrisData, ClusterPrediction>(model).Predict(dataToMakePredictionOn);
Console.WriteLine($"{string.Join(" ", label.Distances)}");
}
void Start()
{
Debug.Log("starting...");
mlContext = new MLContext(seed: 0);
IDataView dataView = mlContext.Data.ReadFromTextFile <IrisData>(_dataPath, hasHeader: false, separatorChar: ',');
string featuresColumnName = "Features";
var pipeline = mlContext.Transforms
.Concatenate(featuresColumnName, "SepalLength", "SepalWidth", "PetalLength", "PetalWidth")
.Append(mlContext.Clustering.Trainers.KMeans(featuresColumnName, clustersCount: 3)); //read and format flowery data
var model = pipeline.Fit(dataView); //train
using (var fileStream = new FileStream(_modelPath, FileMode.Create, FileAccess.Write, FileShare.Write)) //save trained model
{
mlContext.Model.Save(model, fileStream);
}
var predictor = mlContext.Model.CreatePredictionEngine <IrisData, ClusterPrediction>(model);//predict
IrisData Setosa = new IrisData
{
SepalLength = 5.1f,
SepalWidth = 3.5f,
PetalLength = 1.4f,
PetalWidth = 0.2f
};
Debug.Log(predictor.Predict(Setosa).PredictedClusterId);
Debug.Log("...done predicting, now do what u like with it");
}
public ClusterPrediction PredictFromFile()
{
var mlContext = new MLContext();
var repertoireSortie = System.IO.Path.GetDirectoryName(System.Reflection.Assembly.GetExecutingAssembly().Location);
var _modelPath = repertoireSortie + "/model.save";
//Define DataViewSchema for data preparation pipeline and trained model
DataViewSchema modelSchema;
// Load trained model
ITransformer trainedModel = mlContext.Model.Load(_modelPath, out modelSchema);
var reader = mlContext.Data.CreateTextLoader <IrisData>(separatorChar: ',', hasHeader: false);
var trainingDataView = reader.Load($"{repertoireSortie}/DataSources/iris.data");
// STEP 4: Train your model based on the data set
var predictor = mlContext.Model.CreatePredictionEngine <IrisData, ClusterPrediction>(trainedModel);
var inputData = new IrisData()
{
SepalLength = 3.3f,
SepalWidth = 1.6f,
PetalLength = 0.2f,
PetalWidth = 5.1f,
};
var prediction = predictor.Predict(inputData);
Console.WriteLine($"Cluster: {prediction.PredictedClusterId}");
Console.WriteLine($"Distances: {string.Join(" ", prediction.Distances)}");
return(prediction);
}
public static async Task <IActionResult> Run(
[HttpTrigger(AuthorizationLevel.Function, "get", "post", Route = null)] HttpRequest req,
[Blob("models/model.zip", FileAccess.Read, Connection = "AzureWebJobsStorage")] Stream serializedModel,
ILogger log)
{
// Workaround for Azure Functions Host
if (typeof(Microsoft.ML.Runtime.Data.LoadTransform) == null ||
typeof(Microsoft.ML.Runtime.Learners.LinearClassificationTrainer) == null ||
typeof(Microsoft.ML.Runtime.Internal.CpuMath.SseUtils) == null ||
typeof(Microsoft.ML.Runtime.FastTree.FastTree) == null)
{
log.LogError("Error loading ML.NET");
return(new StatusCodeResult(500));
}
//Read incoming request body
string requestBody = new StreamReader(req.Body).ReadToEnd();
log.LogInformation(requestBody);
//Bind request body to IrisData object
IrisData data = JsonConvert.DeserializeObject <IrisData>(requestBody);
//Load prediction model
var model = await Model.LoadSerializeModel(serializedModel);
// var model = PredictionModel.ReadAsync<IrisData, IrisPrediction>(serializedModel).Result;
//Make prediction
string prediction = Model.MakePrediction(model, data);
//Return prediction
return((IActionResult) new OkObjectResult(prediction));
}
public async Task <ActionResult <string> > Post(IrisData instance)
{
var model = await Model.LoadZipModel("model.zip");
var prediction = Model.MakePrediction(model, instance);
return(Ok(prediction));
}
// Cálculo da Distância Euclidiana
public double CalcularDistanciaEuclidiana(Centroid centroid, IrisData data)
{
double a = data.SepalLength - centroid.SepalLength;
double b = data.SepalWidth - centroid.SepalWidth;
double c = data.PetalLength - centroid.PetalLength;
double d = data.PetalWidth - centroid.PetalWidth;
return(Math.Sqrt((a * a) + (b * b) + (c * c) + (d * d)));
}
public async Task <string> Post([FromBody] IrisData observation)
{
IrisPrediction prediction = await _predictActorPool
.Ask <IrisPrediction>(new Predict <IrisData> {
Observation = observation
});
return(prediction.PredictedLabel);
}
/// <summary>
/// 使用訓練好的預測模型檔進行預測
/// </summary>
/// <param name="sampleData"></param>
public static async Task PredictWithModelLoadedFromFile(IrisData sampleData = null)
{
// 載入之前訓練好的預測模型
var loadPredictionModel = await PredictionModel.ReadAsync <IrisData, IrisPrediction>(ModelPath);
// 使用匯入的預測模型進行預測，若無 sampleData 則用預設測試樣本
var prediction = loadPredictionModel.Predict(sampleData ?? DefaultSampleData);
Console.WriteLine($"預測的鳶尾花（Iris）類別: {prediction.PredictedLabel}");
}
public ActionResult <float> Post([FromBody] IrisData input)
{
if (!ModelState.IsValid)
{
return(BadRequest());
}
var prediction = _predictionEnginePool.Predict(input);
return(prediction.Distances.First());
}
private static object GetDynamicClass(IrisData irisData, object newIris)
{
Type instanceType = newIris.GetType();
irisData.GetType().GetFields().ToList().ForEach((field) =>
{
instanceType.GetField(field.Name).SetValue(newIris, field.GetValue(irisData));
});
return(newIris);
}
static void Main(string[] args)
{
//Define data path
var dataPath = "Data/iris.csv";
//Create Context
var mlContext = new MLContext();
//Load Data
var data = mlContext.Data.ReadFromTextFile <IrisData>(dataPath, hasHeader: true, separatorChar: ',');
//Split data into train and test set
var(trainData, testData) = Operations.SplitData(mlContext, data);
//Preview Tranining Data
var trainDataPreview = trainData.Preview();
//Train model
ITransformer trainedModel = Operations.Train(mlContext, trainData);
//Apply trained model to test data
IDataView transformedData = trainedModel.Transform(testData);
//Preview transformed test data
var transformedDataPreview = transformedData.Preview();
//Evaluate model using test data
double rSquared = Operations.Evaluate(mlContext, trainedModel, testData);
Console.WriteLine("RSquared Metric:\t{0:P4}", rSquared);
IrisData testInput = new IrisData
{
SepalLength = 3.3f,
SepalWidth = 1.6f,
PetalLength = 0.2f,
PetalWidth = 5.1f
};
PredictionEngine <IrisData, IrisPrediction> predictionEngine = mlContext.Model.CreatePredictionEngine <IrisData, IrisPrediction>(trainedModel);
//Make prediction on unseen instance of data using trained model
string prediction = Operations.Predict(predictionEngine, testInput);
Console.WriteLine("The prediction is {0}", prediction);
//Save Model
Operations.SaveModel(mlContext, trainedModel, "iris_model.zip");
Console.ReadKey();
}
public void Predict(PredictionModel <IrisData, ClusterPrediction> model)
{
IrisData Setosa = new IrisData
{
SepalLength = 5.1f,
SepalWidth = 3.5f,
PetalLength = 1.4f,
PetalWidth = 0.2f
};
var prediction = model.Predict(Setosa);
Console.WriteLine($"Cluster: {prediction.PredictedClusterId}");
Console.WriteLine($"Distances: {string.Join(" ", prediction.Distances)}");
}
private static void NormalizeData()
{
var targetRange = new DoubleRange(-10, 10);
var spec1Normalizer = new Normalizer(IrisData.Select(i => i.Spec1).ToArray(), targetRange);
var spec2Normalizer = new Normalizer(IrisData.Select(i => i.Spec2).ToArray(), targetRange);
var spec3Normalizer = new Normalizer(IrisData.Select(i => i.Spec3).ToArray(), targetRange);
var spec4Normalizer = new Normalizer(IrisData.Select(i => i.Spec4).ToArray(), targetRange);
IrisDataNormalized = IrisData.Select(d =>
new Iris(
spec1Normalizer.Normalize(d.Spec1),
spec2Normalizer.Normalize(d.Spec2),
spec3Normalizer.Normalize(d.Spec3),
spec4Normalizer.Normalize(d.Spec4),
d.Type)).ToArray();
}
public void ReadData()
{
string sheetName = "Iris";
var irisFile = new ExcelQueryFactory(GetPath());
var irisData = from a in irisFile.Worksheet<IrisData>(sheetName) select a;
foreach (var iris in irisData)
{
IrisData irisTemp = new IrisData()
{
Iris = iris.Iris,
PetalLength= iris.PetalLength,
PetalWidth=iris.PetalWidth,
SepalLength=iris.SepalLength,
SepalWidth=iris.SepalWidth
};
IrisList.Add(irisTemp);
}
}
public static async Task <IActionResult> Run(
[HttpTrigger(AuthorizationLevel.Function, "post", Route = null)] HttpRequest req,
ILogger log)
{
log.LogInformation("C# HTTP trigger function processed a request.");
MLContext mlContext = new MLContext();
ITransformer trainedModel = Operations.LoadModel(mlContext, "iris_model.zip");
string requestBody = await new StreamReader(req.Body).ReadToEndAsync();
IrisData data = JsonConvert.DeserializeObject <IrisData>(requestBody);
PredictionEngine <IrisData, IrisPrediction> predictionEngine = mlContext.Model.CreatePredictionEngine <IrisData, IrisPrediction>(trainedModel);
string prediction = Operations.Predict(predictionEngine, data);
return((ActionResult) new OkObjectResult(prediction));
}
public void addContent()
{
if (characters != null)
{
foreach (IrisCharacter charac in characters)
{
IrisData.addCharacter(charac.name, charac);
}
}
if (images != null)
{
foreach (IrisImage image in images)
{
IrisData.addImage(image.name, image);
}
}
if (sounds != null)
{
foreach (IrisSound sound in sounds)
{
IrisData.addSound(sound.name, sound);
}
}
if (backgrounds != null)
{
foreach (IrisBackground background in backgrounds)
{
IrisData.addBackground(background.name, background);
}
}
if (npcs != null)
{
foreach (NpcStructure npc in npcs)
{
IrisData.addNpc(npc.name, npc);
}
}
}
/// <summary>
/// 分類鳶尾花(K-means)
/// </summary>
public void InitIris()
{
IrisData Setosa = new IrisData
{
SepalLength = 5.1f,
SepalWidth = 3.5f,
PetalLength = 1.4f,
PetalWidth = 0.2f
};
var mlContext = new MLContext(seed: 0);
string dataPath = AppDomain.CurrentDomain.BaseDirectory + "/MLData/iris-data.txt";
IDataView dataView = mlContext.Data.LoadFromTextFile <IrisData>(dataPath, hasHeader: false, separatorChar: ',');
string featuresColumnName = "Features";
var pipeline = mlContext.Transforms
.Concatenate(featuresColumnName, "SepalLength", "SepalWidth", "PetalLength", "PetalWidth")
.Append(mlContext.Clustering.Trainers.KMeans(featuresColumnName, numberOfClusters: 3));
ITransformer model = pipeline.Fit(dataView);
var modelZipUri = AppDomain.CurrentDomain.BaseDirectory + "/MLModel/iris.zip";
using (var fileStream = new FileStream(modelZipUri, FileMode.Create, FileAccess.Write, FileShare.Write))
{
mlContext.Model.Save(model, dataView.Schema, fileStream);
}
ITransformer transformer;
// Load model.
using (var file = File.OpenRead(modelZipUri))
transformer = mlContext.Model.Load(file, out DataViewSchema schema);
// var result = model.Transform(mlContext.Data.LoadFromEnumerable(new List<IrisData>() { Setosa }));
var predictor = mlContext.Model.CreatePredictionEngine <IrisData, ClusterPrediction>(transformer);
var prediction = predictor.Predict(Setosa);
Console.WriteLine($"Cluster: {prediction.PredictedClusterId}");
Console.WriteLine($"Distances: {string.Join(" ", prediction.Distances)}");
}
public void TrainModel()
{
// STEP 2: Create a ML.NET environment
var mlContext = new MLContext();
// If working in Visual Studio, make sure the 'Copy to Output Directory'
// property of iris-data.txt is set to 'Copy always'
var reader = mlContext.Data.CreateTextLoader <IrisData>(separatorChar: ',', hasHeader: false);
var repertoireSortie = System.IO.Path.GetDirectoryName(System.Reflection.Assembly.GetExecutingAssembly().Location);
var trainingDataView = reader.Load($"{repertoireSortie}/DataSources/iris.data");
// STEP 3: Transform your data and add a learner
// Assign numeric values to text in the "Label" column, because only
// numbers can be processed during model training.
// Add a learning algorithm to the pipeline. e.g.(What type of iris is this?)
// Convert the Label back into original text (after converting to number in step 3)
//var pipeline = mlContext.Transforms.Conversion.MapValueToKey("Label")
// .Append(mlContext.Transforms.Concatenate("Features", "SepalLength", "SepalWidth", "PetalLength", "PetalWidth"))
// .Append(mlContext.MulticlassClassification.Trainers.SdcaMaximumEntropy("Label", "Features"))
// .Append(mlContext.Transforms.Conversion.MapKeyToValue("PredictedLabel"));
string featuresColumnName = "Features";
var pipeline = mlContext.Transforms
.Concatenate(featuresColumnName, "SepalLength", "SepalWidth", "PetalLength", "PetalWidth")
.Append(mlContext.Clustering.Trainers.KMeans(featuresColumnName, numberOfClusters: 3));
// STEP 4: Train your model based on the data set
var model = pipeline.Fit(trainingDataView);
var predictor = mlContext.Model.CreatePredictionEngine <IrisData, ClusterPrediction>(model);
var inputData = new IrisData()
{
SepalLength = 3.3f,
SepalWidth = 1.6f,
PetalLength = 0.2f,
PetalWidth = 5.1f,
};
var prediction = predictor.Predict(inputData);
Console.WriteLine($"Cluster: {prediction.PredictedClusterId}");
Console.WriteLine($"Distances: {string.Join(" ", prediction.Distances)}");
SaveModelAsFile(mlContext, model, trainingDataView);
}
static void Main(string[] args)
{
string dataPath = "data/iris.txt";
string modelPath = "model.zip";
var model = Model.TrainModel(dataPath, modelPath).Result;
// Test data for prediction
IrisData input = new IrisData()
{
SepalLength = 3.3f,
SepalWidth = 1.6f,
PetalLength = 0.2f,
PetalWidth = 5.1f
};
string prediction = Model.MakePrediction(model, input);
Console.WriteLine($"Predicted flower type is: {prediction}");
}
// Obtêm o centróide mais próximo
public int ObterCentroideMaisProximo(List <Centroid> centroids, int numClusters, IrisData data)
{
double minDistance;
int nearestcentroid;
// Inicializa valores assumindo o centróide 0 como mais próximo
minDistance = CalcularDistanciaEuclidiana(centroids[0], data);
nearestcentroid = 0;
for (int i = 1; i < numClusters; i++)
{
double distance = CalcularDistanciaEuclidiana(centroids[i], data);
if (distance < minDistance)
{
minDistance = distance;
nearestcentroid = i;
}
}
return(nearestcentroid);
}
public IrisPrediction PredictIris(IrisData irisData)
{
// 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'
string dataPath = "iris-data.txt";
pipeline.Add(new TextLoader(dataPath).CreateFrom <IrisData>(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"));
// 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
var model = pipeline.Train <IrisData, IrisPrediction>();
// Step 6: Use your model to make a prediction
// You can change these numbers to test different predictions
var prediction = model.Predict(irisData);
return(prediction);
}
public ClusterPrediction RunModel(IrisData irisData)
{
return(_predictor.Predict(irisData));
}
static void Main(string[] args)
{
var mlContext = new MLContext();
// localdb SQL database connection string using a filepath to attach the database file into localdb
string dbFilePath = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "Database", "Iris.mdf");
string connectionString = $"Data Source = (LocalDB)\\MSSQLLocalDB;AttachDbFilename={dbFilePath};Database=Iris;Integrated Security = True";
// ConnString Example: localdb SQL database connection string for 'localdb default location' (usually files located at /Users/YourUser/)
//string connectionString = @"Data Source=(localdb)\MSSQLLocalDb;Initial Catalog=YOUR_DATABASE;Integrated Security=True;Pooling=False";
//
// ConnString Example: on-premises SQL Server Database (Integrated security)
//string connectionString = @"Data Source=YOUR_SERVER;Initial Catalog=YOUR_DATABASE;Integrated Security=True;Pooling=False";
//
// ConnString Example: Azure SQL Database connection string
//string connectionString = @"Server=tcp:yourserver.database.windows.net,1433; Initial Catalog = YOUR_DATABASE; Persist Security Info = False; User ID = YOUR_USER; Password = YOUR_PASSWORD; MultipleActiveResultSets = False; Encrypt = True; TrustServerCertificate = False; Connection Timeout = 60; ConnectRetryCount = 5; ConnectRetryInterval = 10;";
string commandText = "SELECT * from IrisData";
DatabaseLoader loader = mlContext.Data.CreateDatabaseLoader <IrisData>();
DatabaseSource dbSource = new DatabaseSource(SqlClientFactory.Instance,
connectionString,
commandText);
IDataView dataView = loader.Load(dbSource);
var pre = dataView.Preview();
var trainTestData = mlContext.Data.TrainTestSplit(dataView);
var finalTransformerPipeLine = mlContext.Transforms.Conversion.MapValueToKey(inputColumnName: "class", outputColumnName: "KeyColumn").
Append(mlContext.Transforms.Concatenate("Features", nameof(IrisData.petal_length), nameof(IrisData.petal_width), nameof(IrisData.sepal_length),
nameof(IrisData.sepal_width)));
// Apply the ML algorithm
var trainingPipeLine = finalTransformerPipeLine.Append(mlContext.MulticlassClassification.Trainers.LbfgsMaximumEntropy(labelColumnName: "KeyColumn", featureColumnName: "Features"))
.Append(mlContext.Transforms.Conversion.MapKeyToValue(outputColumnName: "class", inputColumnName: "KeyColumn"));
Console.WriteLine("Training the ML model while streaming data from a SQL database...");
Stopwatch watch = new Stopwatch();
watch.Start();
var model = trainingPipeLine.Fit(trainTestData.TrainSet);
watch.Stop();
Console.WriteLine("Elapsed time for training the model = {0} seconds", watch.ElapsedMilliseconds / 1000);
Console.WriteLine("Evaluating the model...");
Stopwatch watch2 = new Stopwatch();
watch2.Start();
var predictions = model.Transform(trainTestData.TestSet);
// Now that we have the test predictions, calculate the metrics of those predictions and output the results.
var metrics = mlContext.MulticlassClassification.Evaluate(predictions, "KeyColumn", "Score");
watch2.Stop();
Console.WriteLine("Elapsed time for evaluating the model = {0} seconds", watch2.ElapsedMilliseconds / 1000);
ConsoleHelper.PrintMultiClassClassificationMetrics("==== Evaluation Metrics training from a Database ====", metrics);
Console.WriteLine("Trying a single prediction:");
var predictionEngine = mlContext.Model.CreatePredictionEngine <IrisData, DataPrediction>(model);
var sampleData1 = new IrisData()
{
sepal_length = 6.1f,
sepal_width = 3f,
petal_length = 4.9f,
petal_width = 1.8f,
class1 = string.Empty
};
var sampleData2 = new IrisData()
{
sepal_length = 5.1f,
sepal_width = 3.5f,
petal_length = 1.4f,
petal_width = 0.2f,
class1 = string.Empty
};
var irisPred1 = predictionEngine.Predict(sampleData1);
var irisPred2 = predictionEngine.Predict(sampleData2);
// Since we apply MapValueToKey estimator with default parameters, key values
// depends on order of occurence in data file. Which is "Iris-setosa", "Iris-versicolor", "Iris-virginica"
// So if we have Score column equal to [0.2, 0.3, 0.5] that's mean what score for
// Iris-setosa is 0.2
// Iris-versicolor is 0.3
// Iris-virginica is 0.5.
//Add a dictionary to map the above float values to strings.
Dictionary <float, string> IrisFlowers = new Dictionary <float, string>();
IrisFlowers.Add(0, "Setosa");
IrisFlowers.Add(1, "versicolor");
IrisFlowers.Add(2, "virginica");
Console.WriteLine($"Predicted Label 1: {IrisFlowers[Array.IndexOf(irisPred1.Score, irisPred1.Score.Max())]} - Score:{irisPred1.Score.Max()}", Color.YellowGreen);
Console.WriteLine($"Predicted Label 2: {IrisFlowers[Array.IndexOf(irisPred2.Score, irisPred2.Score.Max())]} - Score:{irisPred2.Score.Max()}", Color.YellowGreen);
Console.WriteLine();
//*** Detach database from localdb only if you used a conn-string with a filepath to attach the database file into localdb ***
Console.WriteLine("... Detaching database from SQL localdb ...");
DetachDatabase(connectionString);
Console.WriteLine("=============== Press any key ===============");
Console.ReadKey();
}
public void LoadSampleData(double width, double height, string horizontalData, string verticalData)
{
double sepalLengthMin = dataContext.Iris.Min(i => i.SepalLength);
double sepalLengthMax = dataContext.Iris.Max(i => i.SepalLength);
double sepalWidthMin = dataContext.Iris.Min(i => i.SepalWidth);
double sepalWidthMax = dataContext.Iris.Max(i => i.SepalWidth);
double petalLengthMin = dataContext.Iris.Min(i => i.PetalLength);
double petalLengthMax = dataContext.Iris.Max(i => i.PetalLength);
double petalWidthMin = dataContext.Iris.Min(i => i.PetalWidth);
double petalWidthMax = dataContext.Iris.Max(i => i.PetalWidth);
IrisData.Clear();
foreach (Kohonen.Data.Iris i in dataContext.Iris)
{
double x = 0;
double y = 0;
switch (horizontalData)
{
case "Sepal Length":
x = (i.SepalLength - sepalLengthMin) * (width / (sepalLengthMax - sepalLengthMin));
break;
case "Sepal Width":
x = (i.SepalWidth - sepalWidthMin) * (width / (sepalWidthMax - sepalWidthMin));
break;
case "Petal Length":
x = (i.PetalLength - petalLengthMin) * (width / (petalLengthMax - petalLengthMin));
break;
case "Petal Width":
x = (i.PetalWidth - petalWidthMin) * (width / (petalWidthMax - petalWidthMin));
break;
default:
continue;
}
switch (verticalData)
{
case "Sepal Length":
y = (i.SepalLength - sepalLengthMin) * (height / (sepalLengthMax - sepalLengthMin));
break;
case "Sepal Width":
y = (i.SepalWidth - sepalWidthMin) * (height / (sepalWidthMax - sepalWidthMin));
break;
case "Petal Length":
y = (i.PetalLength - petalLengthMin) * (height / (petalLengthMax - petalLengthMin));
break;
case "Petal Width":
y = (i.PetalWidth - petalWidthMin) * (height / (petalWidthMax - petalWidthMin));
break;
default:
continue;
}
IrisData.Add(new IrisLib(i, x, y));
}
}
public ActionResult Post([FromBody] IrisData input)
{
string prediction = Operations.Predict(_predictionEngine, input);
return(Ok(prediction));
}
public IrisPrediction Predict(IrisData irisData)
{
return(_instance.Predict(irisData));
}
public void Executar()
{
// Lista de Instâncias
var instances = new List <IrisData>();
// Lê o arquivo e preenche a lista
int counter = 0;
string line;
var path = Environment.CurrentDirectory + "\\Assets\\Data\\iris.data";
var file = new StreamReader(path);
while ((line = file.ReadLine()) != null)
{
var iris = line.ToString().Split(',');
var instance = new IrisData
{
SepalLength = Convert.ToDouble(iris[0].Replace('.', ',')),
SepalWidth = Convert.ToDouble(iris[1].Replace('.', ',')),
PetalLength = Convert.ToDouble(iris[2].Replace('.', ',')),
PetalWidth = Convert.ToDouble(iris[3].Replace('.', ',')),
Family = iris[4]
};
instances.Add(instance);
counter++;
}
file.Close();
// Executa o KMeans
AlgoritmoKMeans(instances, instancesAmount, 3, 100);
// Escreve o arquivo final com os resultados
string docPath = Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments);
using (StreamWriter outputFile = new StreamWriter(Environment.CurrentDirectory + "\\Assets\\Data\\results.txt"))
{
// Iris
foreach (var instance in instances)
{
outputFile.WriteLine($"{instance.SepalLength.ToString("N1")} " +
$"{instance.SepalWidth.ToString("N1")} " +
$"{instance.PetalLength.ToString("N1")} " +
$"{instance.PetalWidth.ToString("N1")} " +
$"{instance.Centroid} " +
$"{instance.Family} ");
}
// Clusters
var clusterId = 0;
foreach (var cluster in centroidsList)
{
outputFile.WriteLine($"ID = {clusterId}: " +
$"{cluster.SepalLength.ToString("N1")} " +
$"{cluster.SepalWidth.ToString("N1")} " +
$"{cluster.PetalLength.ToString("N1")} " +
$"{cluster.PetalWidth.ToString("N1")} ");
clusterId++;
}
}
// Instancia objetos
foreach (var instance in instances)
{
var newPrefab = new GameObject();
if (SceneManager.GetActiveScene().buildIndex == 0)
{
// Cena da Sépala
newPrefab = Instantiate(IrisDataPrefab, new Vector3((float)instance.SepalLength * 1.5f, (float)instance.SepalWidth * 1.5f, 0), Quaternion.identity);
}
else if (SceneManager.GetActiveScene().buildIndex == 1)
{
// Cena da Pétala
newPrefab = Instantiate(IrisDataPrefab, new Vector3((float)instance.PetalLength * 1.5f, (float)instance.PetalWidth * 1.5f, 0), Quaternion.identity);
}
if (instance.Centroid == 0)
{
newPrefab.GetComponent <MeshRenderer>().material.color = Color.red;
}
else if (instance.Centroid == 1)
{
newPrefab.GetComponent <MeshRenderer>().material.color = Color.blue;
}
else if (instance.Centroid == 2)
{
newPrefab.GetComponent <MeshRenderer>().material.color = Color.green;
}
}
foreach (var centroid in centroidsList)
{
var newPrefab = new GameObject();
if (SceneManager.GetActiveScene().buildIndex == 0)
{
// Cena da Sépala
newPrefab = Instantiate(IrisDataPrefab, new Vector3((float)centroid.SepalLength * 1.5f, (float)centroid.SepalWidth * 1.5f, 0), Quaternion.identity);
}
else if (SceneManager.GetActiveScene().buildIndex == 1)
{
// Cena da Pétala
newPrefab = Instantiate(IrisDataPrefab, new Vector3((float)centroid.PetalLength * 1.5f, (float)centroid.PetalWidth * 1.5f, 0), Quaternion.identity);
}
newPrefab.GetComponent <MeshRenderer>().material.color = Color.yellow;
}
}