public static List <AttributeValuePair> GetAttributeValuePairs(DataTable dataSet)
{
var dataEnumer = dataSet.AsEnumerable();
List <AttributeValuePair> pairs = new List <AttributeValuePair>();
foreach (DataColumn column in dataSet.Columns)
{
if (column.Ordinal < dataSet.Columns.Count - 2)
{
var distinctValues = dataEnumer.FindDistinctValues <string>(column);
distinctValues.RemoveAll(t => t == "*" || t == "?");
var starValues = dataEnumer.FindRecords(column, "*");
foreach (var value in distinctValues)
{
AttributeValuePair attributeValuePair = new AttributeValuePair();
attributeValuePair.AttributeValue.Attribute = column.ColumnName;
attributeValuePair.AttributeValue.Value = value;
attributeValuePair.Blocks = dataEnumer.FindRecords(column, value).Union(starValues).ToList();
pairs.Add(attributeValuePair);
}
}
}
return(pairs);
}
public Data(DataTable dataSet)
{
this.OriginalDataSet = dataSet;
this.DataSet = ConvertNumericData(dataSet.Copy());
this.Decisions = FindDecisions();
AttributeValuePairs = AttributeValuePair.GetAttributeValuePairs(DataSet);
Characteristic = new Characteristic(this);
MaximalConsistent = new MaximalConsistent(this);
ConditionalProbability = ProbApprox.GetConditionalProbability(this);
}
