private static (double, double) TakeNthElemValue(List <Stock> list, Coefficient coef)
{
var query = (from st in list
let norm = st.NormalizedCoefficientsValues[coef]
where norm != null
orderby norm.Value
select norm.Value).ToList();
if (query.Count == 0)
{
return(0, 0);
}
return(query[(int)Math.Round((double)s_fromPercent * query.Count / 100)], query.Take((int)Math.Round(
(double)s_toPercent * query.Count / 100)).Last());
}
/// <summary>
/// Анализирует показатели акций, превращая их в одно число, используя метрики
/// </summary>
/// <param name="stList">Список акций</param>
public static void Analyze(StockList stList)
{
var list = stList.StList.ToList();
foreach (var st in list)
{
foreach (var coef in Coefficient.CoefficientList)
{
st.NormalizedCoefficientsValues[coef] = coef.Normalize(st[coef]);
}
}
Dictionary <Coefficient, double> leftBorders = new Dictionary <Coefficient, double>(Coefficient.CoefficientList.Count);
Dictionary <Coefficient, double> rightBorders = new Dictionary <Coefficient, double>(Coefficient.CoefficientList.Count);
foreach (var coef in Coefficient.CoefficientList)
{
var borders = TakeNthElemValue(list, coef);
leftBorders[coef] = borders.Item1;
rightBorders[coef] = borders.Item2;
}
string data = "Название акции;Market;";
using (var sWrite = new StreamWriter(OutputFileName, true, Encoding.UTF8))
{
// Write the metrics names
foreach (var str in Coefficient.MetricsList)
{
data += str.ToString() + ';';
}
data += ";";
foreach (var str in Coefficient.CoefficientList.Select(c => c.Name))
{
data += str + ';';
}
sWrite.WriteLine(data);
foreach (Stock st in list)
{
data = $"{st.Name.Replace(';', '.')};{st.Market.Location.ToString()};";
foreach (var metric in Coefficient.MetricsList)
{
st.MetricsValues[metric] = 0;
foreach (var coef in Coefficient.CoefficientList)
{
var compactVal = Compact(st.NormalizedCoefficientsValues[coef], leftBorders[coef],
rightBorders[coef]);
st.MetricsValues[metric] += Coefficient.SignedSqr(compactVal) *
coef.MetricWeight[metric];
}
data += st.MetricsValues[metric].ToString(CultureInfo.InvariantCulture) + ';';
}
data += ';';
foreach (var param in st.NormalizedCoefficientsValues.Keys)
{
data += st.NormalizedCoefficientsValues[param].ToString() + ';';
}
sWrite.WriteLine(data);
}
}
SetRatings(stList, list);
}
public void CalculateCoef(Coefficient coef)
{
this[coef] = coef.CalculateCoef(CoefficientsValues);
}
public double?this[Coefficient coef]
{
get => CoefficientsValues[coef];
public bool Equals(Coefficient coef)
{
return(Name == coef.Name);
}
