public TrajectoryResponse GetTrajectory(TrajectoryRequest request)
{
TrajectoryMapper trajectoryMapper = new TrajectoryMapper(request.Map);
IReader reader = new CSVReader(request.FilePath);
// Get the data
trajectoryMapper.GetData(reader);
// Get the mapped trajectories
var trajectories = trajectoryMapper.GetTrajectories();
return(new TrajectoryResponse()
{
Trajectories = trajectories.ToArray()
});
}
public async Task <HttpResponseMessage> PlotTrajectory()
{
try
{
HttpRequestMessage requestMessage = this.Request;
if (!requestMessage.Content.IsMimeMultipartContent())
{
throw new HttpResponseException(HttpStatusCode.UnsupportedMediaType);
}
TrajectoryRequest request = new TrajectoryRequest();
string root = System.Web.HttpContext.Current.Server.MapPath(FILE_UPLOAD_PATH);
var provider = new MultipartFormDataStreamProvider(root);
var result = await Request.Content.ReadAsMultipartAsync(provider);
var map = result.FormData["map"];
SOM som = JsonConvert.DeserializeObject <SOM>(map);
string file = provider.FileData.Last().LocalFileName;
IReader reader = new CSVReader(file);
TrajectoryMapper trajectoryMapper = new TrajectoryMapper(som);
trajectoryMapper.GetData(reader);
TrajectoryResponse trajectoryResponse = new TrajectoryResponse()
{
Trajectories = trajectoryMapper.GetTrajectories().ToArray()
};
File.Delete(result.FileData.First().LocalFileName);
return(Request.CreateResponse(HttpStatusCode.OK, trajectoryResponse));
} catch (Exception ex)
{
return(Request.CreateErrorResponse(HttpStatusCode.InternalServerError, ex));
}
}
public static void Program1(string[] args)
{
Stopwatch stopwatch = new Stopwatch();
string filepath = @"C:\Users\Vilson\Desktop\Datasets\Financial Distress\FD_Training.csv";
SOM _model = new SOM(10, 10, 0.3, 20);
_model.Training += _model_Training;
IReader _reader = new CSVReader(filepath);
IClusterer _kmeans = new KMeansClustering();
_model.GetData(_reader);
_model.Dataset.SetLabel("Company");
_model.Dataset.SetLabel("Time");
_model.Dataset.SetLabel("Financial Distress");
_model.Dataset.SetLabel("Status");
_model.FeatureLabel = "Status";
Console.WriteLine("Start initializing map...");
stopwatch.Start();
_model.InitializeMap();
stopwatch.Stop();
Console.WriteLine("Completed initialization...");
Console.WriteLine("Time elapsed: {0:hh\\:mm\\:ss}", stopwatch.Elapsed);
Console.WriteLine("Start training model...");
stopwatch.Restart();
_model.Train();
stopwatch.Stop();
Console.WriteLine("Completed training model...");
Console.WriteLine("Time elapsed: {0:hh\\:mm\\:ss}", stopwatch.Elapsed);
Console.WriteLine("Start labelling node...");
stopwatch.Restart();
_model.LabelNodes();
stopwatch.Stop();
Console.WriteLine("Completed labelling node...");
Console.WriteLine("Time elapsed: {0:hh\\:mm\\:ss}", stopwatch.Elapsed);
Console.WriteLine("Start clustering nodes...");
stopwatch.Restart();
var flattenedMap = ArrayHelper <Node> .FlattenMap(_model.Map);
var clusteredNodes = _kmeans.Cluster(flattenedMap, 3);
stopwatch.Stop();
Console.WriteLine("Completed clustering nodes...");
Console.WriteLine("Time elapsed: {0:hh\\:mm\\:ss}", stopwatch.Elapsed);
string trainingPath = @"C:\Users\Vilson\Desktop\Datasets\Financial Distress\Training";
List <TrajectoryMapper> dbTrajectories = new List <TrajectoryMapper>();
Console.WriteLine("Start plotting trajectories...");
stopwatch.Restart();
foreach (var file in Directory.EnumerateFiles(trainingPath))
{
TrajectoryMapper trajectoryMapper = new TrajectoryMapper(_model);
IReader trajectoryReader = new CSVReader(file);
trajectoryMapper.GetData(trajectoryReader);
trajectoryMapper.GetTrajectories();
dbTrajectories.Add(trajectoryMapper);
}
stopwatch.Stop();
Console.WriteLine("Completed plotting trajectories...");
Console.WriteLine("Time elapsed: {0:hh\\:mm\\:ss}", stopwatch.Elapsed);
string testingPath = @"C:\Users\Vilson\Desktop\Datasets\Financial Distress\Test\fd_297.csv";
TrajectoryMapper testMapper = new TrajectoryMapper(_model);
IReader trjaectoryDataReader = new CSVReader(testingPath);
testMapper.GetData(trjaectoryDataReader);
var unknownTrajectory = testMapper.GetTrajectories();
IFileHelper fileHelper = new FileHelper();
ISimilarityMeasure similarityMeasure = new CompressionDissimilarityMeasure(fileHelper);
foreach (var trajectory in dbTrajectories)
{
var currentTrajectory = trajectory.GetTrajectories();
var score = similarityMeasure.MeasureSimilarity(currentTrajectory, unknownTrajectory);
Console.WriteLine("{0}: {1}", trajectory.FileName, score);
}
Console.ReadLine();
}