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;
}