public List<DataSetRun> GenerateTestData(double ratio)
{
int count = Convert.ToInt32(1 / ratio);
int testItemCount=Convert.ToInt32(DataStore.AllRatings.Count*ratio);
int size=DataStore.AllRatings.Count;
List<DataSetRun> dataSetRuns = new List<DataSetRun>();
for(int i=0;i<count;i++)
{
DataSetRun dsr = new DataSetRun();
dsr.TrainingData = DataStore.AllRatings
.Skip(3)
.Take(testItemCount)
.ToList();
dsr.TestData = DataStore.AllRatings.GetRange(i * testItemCount, (i + 1) * testItemCount);
List<Rating> allRatings = DataStore.AllRatings.ToList();
allRatings.RemoveRange(i * testItemCount, testItemCount);
dsr.TrainingData = allRatings;
dataSetRuns.Add(dsr);
}
return dataSetRuns;
}
public List <DataSetRun> GenerateTestData(double ratio)
{
int count = Convert.ToInt32(1 / ratio);
int testItemCount = Convert.ToInt32(DataStore.AllRatings.Count * ratio);
int size = DataStore.AllRatings.Count;
List <DataSetRun> dataSetRuns = new List <DataSetRun>();
for (int i = 0; i < count; i++)
{
DataSetRun dsr = new DataSetRun();
dsr.TrainingData = DataStore.AllRatings
.Skip(3)
.Take(testItemCount)
.ToList();
dsr.TestData = DataStore.AllRatings.GetRange(i * testItemCount, (i + 1) * testItemCount);
List <Rating> allRatings = DataStore.AllRatings.ToList();
allRatings.RemoveRange(i * testItemCount, testItemCount);
dsr.TrainingData = allRatings;
dataSetRuns.Add(dsr);
}
return(dataSetRuns);
}
