static void Main(string[] args)
{
#region Combine path
string folder = ".\\..\\..\\..\\Data";
string fileName = "example.xlsx";
string path = Path.Combine(folder, fileName);
#endregion
IKMeansBuilder kMeansBuilder = new KMeansBuilder();
IKMeans kMeans;
kMeans = kMeansBuilder
.Init(new KMeansInitialization())
.SetNumberOfClusters(2)
.Build();
IDataView data = DataReaderExcel.ReadDataFromExcel(
path: path,
hasHeader: true,
worksheet: 3,
startColumn: 2);
var clustered = kMeans.FitPredict(data);
IQualityMeasurement qualityMeasurementAlgorithm = new IndexC();
var res = qualityMeasurementAlgorithm.EvaluateQuality(clustered, new EuclideanDistance());
Console.WriteLine(res);
Console.Read();
}
public async Task <IDataView> GetDataViewFromFile(IFormFile file) // check extension
{
var filePath = Path.GetTempFileName();
IDataView data = null;
if (file != null)
{
using (var stream = new FileStream(filePath, FileMode.Create))
{
await file.CopyToAsync(stream);
data = DataReaderExcel.ReadDataFromExcel(stream, true, 3, 2);
}
}
return(data);
}
