public List <Recommendation_Meta_Item> GetRecommendationR4(Predict_DAO_MCol a, double param)
{
List <Recommendation_Meta_Item> list1 = new List <Recommendation_Meta_Item>();
List <string> list2 = new List <string>();
List <string> list3 = new List <string>();
List <string> list4 = new List <string>();
Dictionary <string, double> dictionary1 = new Dictionary <string, double>();
Dictionary <string, double> dictionary2 = new Dictionary <string, double>();
Dictionary <string, double> dictionary3 = new Dictionary <string, double>();
Dictionary <string, double> dictionary4 = new Dictionary <string, double>();
Dictionary <string, string> dictionary5 = new Dictionary <string, string>();
List <string> listClusterId = a.GetListClusterID();
Dictionary <string, string> listNewItem = a.GetListNewItem();
foreach (string cluster in listClusterId)
{
try
{
Dictionary <string, double> listRateU = a.GetListRateU(cluster);
Dictionary <string, double> listRateF = a.GetListRateF(cluster);
foreach (KeyValuePair <string, double> keyValuePair1 in listRateU)
{
Dictionary <string, double> listRateUf = a.GetListRateUF(keyValuePair1.Key);
double num1 = 0.0;
string FamillyCode = "Not found";
List <string> list5 = new List <string>();
List <double> list6 = new List <double>();
foreach (KeyValuePair <string, double> keyValuePair2 in listRateF)
{
double num2;
if (listRateUf.ContainsKey(keyValuePair2.Key))
{
double num3 = keyValuePair2.Value;
double num4 = keyValuePair1.Value;
double num5 = keyValuePair2.Value;
num2 = param * num5 * (1.0 / num4 - 1.0 / num3);
}
else
{
num2 = 0.0;
}
if (num2 > num1)
{
num1 = num2;
FamillyCode = keyValuePair2.Key;
}
}
if (num1 != 0.0)
{
double num2 = (double)a.getQTYR4(keyValuePair1.Key, FamillyCode, 1);
foreach (KeyValuePair <string, string> keyValuePair2 in listNewItem)
{
if (keyValuePair2.Value.Equals(FamillyCode))
{
list1.Add(new Recommendation_Meta_Item()
{
UserID = keyValuePair1.Key,
RecommendType = ConstantValues.RC_TYPE_LRS04,
MetaItemID = keyValuePair2.Key,
Quantity = num2,
Score = num1
});
}
}
}
}
}
catch (Exception ex)
{
}
}
return(list1);
}