Exemplo n.º 1
0
        private void Button_EarlyArch_Click(object sender, RoutedEventArgs e)
        {
            try
            {
                int avgSalary = ConvertCount(TextBox_AvgSalary);

                double[] parameters = new double[]
                {
                    PERSLevel[ComboBox_PERS.SelectedIndex].Value,
                    RCPXLevel[ComboBox_RCPX.SelectedIndex].Value,
                    RUSELevel[ComboBox_RUSE.SelectedIndex].Value,
                    PDIFLevel[ComboBox_PDIF.SelectedIndex].Value,
                    PREXLevel[ComboBox_PREX.SelectedIndex].Value,
                    FCILLevel[ComboBox_FCIL.SelectedIndex].Value,
                    SCEDLevel[ComboBox_SCED.SelectedIndex].Value,
                };

                double people = Math.Round(parameters.Aggregate((total, next) => total * next) * 2.45 * Math.Pow(this.loc / 1000.0, this.p));
                double time   = Math.Round(3.0 * Math.Pow(people, 0.33 + 0.2 * (this.p - 1.01)));

                Label_EarlyArchPeople.Content = $"Трудозатраты(чел/мес): {people}";
                Label_EarlyArchTime.Content   = $"Время(мес): {time}";
                Label_EarlyArchBudget.Content = $"Бюджет: {people * avgSalary}";
            }
            catch (FPTextBlockParseException)
            {
                MessageBox.Show("Введите число", "Ошибка", MessageBoxButton.OK, MessageBoxImage.Error);
            }
            catch (FPTextBlockValueException)
            {
                MessageBox.Show("Количество должно быть >= нуля", "Ошибка", MessageBoxButton.OK, MessageBoxImage.Error);
            }
        }
 private double MeanSquareValue(double[] input)
 {
     double[] inputSquare = new double[input.Length];
     for (int i = 0; i < input.Length; i++)
     {
         inputSquare[i] = Math.Pow(input[i], 2);
     }
     return(inputSquare.Aggregate((a, b) => a + b) / inputSquare.Length);
 }
Exemplo n.º 3
0
        private static void Measure(Action action, int n)
        {
            var measures = new double[n];

            for (var i = 0; i < n; i++)
            {
                var sw = Stopwatch.StartNew();
                action();
                sw.Stop();
                measures[i] = sw.Elapsed.TotalSeconds;
            }

            var sum  = measures.Aggregate(0.0, (a, b) => a + b);
            var mean = sum / n;

            var squareSum = measures.Aggregate(0.0, (a, b) => a + b * b);
            var stdev     = Math.Sqrt(squareSum / n - mean * mean);

            Console.WriteLine($"Elapsed: {mean} ({stdev})");
        }
Exemplo n.º 4
0
        private static double[] QrGenerateColumn([NotNull][ItemNotNull] double[][] source, int row, int column)
        {
            double[] result = new double[source.Length - row];

            for (int i = row; i < source.Length; i++)
            {
                result[i - row] = source[i][row];

                source[i][row] = 0.0;
            }

            double norm = result.Aggregate(0.0, (current, next) => current + next * next, Math.Sqrt);

            if (row.Equals(source.Length - 1) || norm.Equals(0.0))
            {
                source[row][column] = -result[0];

                result[0] = Root2;

                return(result);
            }

            double scale0 = result[0] < 0.0 ? -1.0 / norm : 1.0 / norm;

            source[row][column] = -1.0 / scale0;

            for (int i = 0; i < result.Length; i++)
            {
                result[i] *= scale0;
            }

            result[0]++;

            double scale1 = Math.Sqrt(1.0 / result[0]);

            for (int i = 0; i < result.Length; i++)
            {
                result[i] *= scale1;
            }

            return(result);
        }
Exemplo n.º 5
0
        // ans1:1395553904
        // ans2:712691360
        private double FindSolution2(List <string> data)
        {
            var arr = data.ToArray();

            double[] results = new double[5];
            int[]    indexes = new int[] { 1, 3, 5, 7, 1 };
            // Rule 3 chars to right and 1 char down
            for (int i = 1; i < arr.Length; i++)
            {
                if (arr[i][indexes[0]] == '#')
                {
                    results[0] = results[0] + 1;
                }
                if (arr[i][indexes[1]] == '#')
                {
                    results[1] = results[1] + 1;
                }
                if (arr[i][indexes[2]] == '#')
                {
                    results[2] = results[2] + 1;
                }
                if (arr[i][indexes[3]] == '#')
                {
                    results[3] = results[3] + 1;
                }
                indexes[0] = (indexes[0] + 1) % arr[0].Length;
                indexes[1] = (indexes[1] + 3) % arr[0].Length;
                indexes[2] = (indexes[2] + 5) % arr[0].Length;
                indexes[3] = (indexes[3] + 7) % arr[0].Length;
                if (i % 2 == 0)
                {
                    if (arr[i][indexes[4]] == '#')
                    {
                        results[4] = results[4] + 1;
                    }
                    indexes[4] = (indexes[4] + 1) % arr[0].Length;
                }
            }

            Console.WriteLine(string.Join(",", results));
            return(results.Aggregate((x, y) => x * y));
        }
Exemplo n.º 6
0
        public void ComputeFMeasure(out double micro, out double macro)
        {
            FillConfusionMatrix();
            double confusionMatrixSum = Program.data.Count;

            double[] c = new double[cmsize], p = new double[cmsize], t = new double[cmsize];

            for (int i = 0; i < cmsize; i++)
            {
                for (int j = 0; j < cmsize; j++)
                {
                    c[i] += ConfusionMatrix[i, j];
                    p[j] += ConfusionMatrix[i, j];
                    if (i == j)
                    {
                        t[i] = ConfusionMatrix[i, j];
                    }
                }
            }

            double rec  = confusionMatrixSum != 0 ? t.Aggregate((x, y) => x + y) / confusionMatrixSum : 0;
            double prec = 0;

            for (int i = 0; i < cmsize; i++)
            {
                prec += p[i] == 0 ? 0 : t[i] * c[i] / p[i];
            }
            prec = confusionMatrixSum == 0 ? 0 : prec / confusionMatrixSum;

            macro = (rec + prec) == 0 ? 0 : 2.0 * rec * prec / (rec + prec);

            micro = 0.0;

            for (int i = 0; i < cmsize; i++)
            {
                prec   = p[i] == 0 ? 0 : t[i] / p[i];
                rec    = c[i] == 0 ? 0 : t[i] / c[i];
                micro += (rec + prec) == 0 ? 0 : (2 * rec * prec / (prec + rec)) * c[i];
            }
            micro = confusionMatrixSum == 0 ? 0 : micro / confusionMatrixSum;
        }
Exemplo n.º 7
0
        public static double[,] MeanNormalizationStandardization(this double[,] values)
        {
            int amountTrain  = values.Length / values.GetLength(1);
            int amountValues = values.GetLength(1);

            double[,] valuesTemp = new double[amountTrain, amountValues];
            for (int i = 0; i < amountTrain; i++)
            {
                double[] valuesForMean = new double[amountValues];
                for (int j = 0; j < amountValues; j++)
                {
                    valuesForMean[j] = values[i, j];
                }

                for (int j = 0; j < amountValues; j++)
                {
                    valuesTemp[i, j] = (values[i, j] - (valuesForMean.Aggregate((a, b) => a + b) / valuesForMean.Length)) / (valuesForMean.Max() - valuesForMean.Min());
                }
            }
            return(valuesTemp);
        }
Exemplo n.º 8
0
        public double Score(double[] sample)
        {
            if (sample == null)
            {
                throw new ArgumentNullException(nameof(sample));
            }
            if (sample.Length < m_dimensions.Length)
            {
                throw new ArgumentException("Provided array is shorter than a number of dimensions.");
            }

            var a = new double[m_dimensions.Length];

            for (int i = 0; i < m_dimensions.Length; i++)
            {
                var p = GetProbability(Distributions[i], sample[i]);
                // we normalize the value to be between [0-1] as we compute the score as a product of individual probabilities:
                a[i] = 1 / (p / m_pmax[i]);
            }
            var s = a.Aggregate((x, y) => x * y);

            return(s);
        }
Exemplo n.º 9
0
        private double VectorMultiplication(double[] array)
        {
            int vectorSize = Vector <double> .Count;
            var accVector  = Vector <double> .Zero;
            int i;

            for (i = 0; i <= array.Length - vectorSize; i += vectorSize)
            {
                var v = new Vector <double>(array, i);
                accVector = Vector.Multiply(accVector, v);
            }

            var tempArray = new double[Vector <double> .Count];

            accVector.CopyTo(tempArray);
            var result = tempArray.Aggregate(1d, (p, d) => p * d);

            for (; i < array.Length; i++)
            {
                result *= array[i];
            }
            return(result);
        }
Exemplo n.º 10
0
        public void Antrenare()
        {
            if (k == 0)
            {
                return;
            }

            double eg;
            double global = 0;

            double[] output = new double[val.Length];
            double[] errors = new double[val.Length];
            do
            {
                for (int i = 0; i < val.Length - k; i++)
                {
                    var fer    = val.Skip(i).Take(k).ToArray();
                    var result = fer.Zip(w, (a, b) => a * b).ToArray().Sum();
                    var err    = result - val[i + k];

                    for (int j = 0; j < k; j++)
                    {
                        w[j] = w[j] - Eta * val[j] * err;
                    }

                    result    = fer.Zip(w, (a, b) => a * b).ToArray().Sum();
                    err       = result - val[i + k];
                    errors[i] = err;
                    output[i] = result;
                }
                eg     = errors.Aggregate <double, double>(0, (current, error) => current + Math.Abs(error));
                global = (global + eg) / 2;
                Console.WriteLine(global);
            } while (Math.Abs(eg - global) > 0.1);
            Write(output, "Output.txt");
            Write(errors, "GlobalErrors.txt");
        }
Exemplo n.º 11
0
        int selecionaPresc(ref int[] solucao, int pos)
        {
            int prescAntiga = solucao[pos];

            if (!minimizar)
            {
                double[] probVPL = new double[m];

                probVPL = probVPL.Select((p, idx) => Math.Abs(mVPL[pos, idx] - mVPL[pos, prescAntiga])).ToArray();

                var soma = probVPL.Aggregate(0.0, (acc, p) => p + acc);

                probVPL = probVPL.Select(p => p / soma).ToArray();

                var r = rand.NextDouble();

                soma = 0;

                for (int j = 0; j < m; j++)
                {
                    soma += probVPL[j];

                    if (soma >= r)
                    {
                        return(j);
                    }
                }

                return(m - 1);
            }
            else
            {
                double[] probCustos = new double[m];

                probCustos = probCustos.Select((p, idx) => Math.Abs(mCustosMedios[pos, idx] - mCustosMedios[pos, prescAntiga])).ToArray();

                var soma = probCustos.Aggregate(0.0, (acc, p) => p + acc);

                probCustos = probCustos.Select(p => soma - p).ToArray();

                soma = probCustos.Aggregate(0.0, (acc, p) => p + acc);

                probCustos = probCustos.Select(p => p / soma).ToArray();

                var r = rand.NextDouble();

                soma = 0;

                for (int j = 0; j < m; j++)
                {
                    soma += probCustos[j];

                    if (soma >= r)
                    {
                        return(j);
                    }
                }

                return(m - 1);
            }
        }
Exemplo n.º 12
0
        internal static double EapSEM_Calc(double thEst, CATItems it, int[] x, string model, double[] priorPar = null, double D = 1, string priorDist = "norm", double lower = -4, double upper = 4, double nqp = 33)
        {
            double res = 0;

            double[] X = CatRcs.Utils.CommonHelper.Sequence(lower, upper, nqp);
            double[] Y1 = null; double[] Y2 = null;

            if (priorPar == null || priorPar.Length < 2)
            {
                priorPar    = new double[2];
                priorPar[0] = 0;
                priorPar[1] = 1;
            }

            if (String.IsNullOrEmpty(model))   // Dichotomous Items
            {
                #region "Function 'L' "
                Func <double, CATItems, int[], double> L = (th, items, x_in) =>
                {
                    double result = 0;

                    double[] pi = Pi.Pi_Calc(th, it, model, D).Pi;

                    double[] x_p = new double[pi.Length]; double[] x_q = new double[pi.Length]; double[] p_q = new double[pi.Length];

                    for (int ind_p = 0; ind_p < pi.Length; ind_p++)
                    {
                        x_p[ind_p] = Math.Pow(pi[ind_p], x_in[ind_p]);;
                        x_q[ind_p] = Math.Pow(1 - pi[ind_p], 1 - x_in[ind_p]);
                        p_q[ind_p] = x_p[ind_p] * x_q[ind_p];
                    }

                    result = p_q.Aggregate((acc, val) => acc * val);

                    return(result);
                };
                #endregion

                #region "Function 'g' "
                Func <double[], double[]> g = (s) =>
                {
                    double[] resList = new double[s.Length];

                    for (int i = 0; i < s.Length; i++)
                    {
                        switch (priorDist)
                        {
                        case "norm":
                            resList[i] = Math.Pow(s[i] - thEst, 2) * CatRcs.Utils.CommonHelper.Dnorm(s[i], priorPar[0], priorPar[1]) * L(s[i], it, x);
                            break;

                        case "unif":
                            resList[i] = Math.Pow(s[i] - thEst, 2) * CatRcs.Utils.CommonHelper.Dunif(s[i], priorPar[0], priorPar[1]) * L(s[i], it, x);
                            break;

                        case "Jeffreys":
                            resList[i] = Math.Pow(s[i] - thEst, 2) * Math.Sqrt(CatRcs.Utils.RowColumn.Sum(Ii.Ii_Calc(s[i], it, model, D).Ii)) * L(s[i], it, x);
                            break;
                        }
                    }

                    return(resList);
                };
                #endregion

                #region "Function 'h' "
                Func <double[], double[]> h = (s) =>
                {
                    double[] resList = new double[s.Length];

                    for (int i = 0; i < s.Length; i++)
                    {
                        switch (priorDist)
                        {
                        case "norm":
                            resList[i] = CatRcs.Utils.CommonHelper.Dnorm(s[i], priorPar[0], priorPar[1]) * L(s[i], it, x);
                            break;

                        case "unif":
                            resList[i] = CatRcs.Utils.CommonHelper.Dunif(s[i], priorPar[0], priorPar[1]) * L(s[i], it, x);
                            break;

                        case "Jeffreys":
                            resList[i] = Math.Sqrt(CatRcs.Utils.RowColumn.Sum(Ii.Ii_Calc(s[i], it, model, D).Ii)) * L(s[i], it, x);
                            break;
                        }
                    }

                    return(resList);
                };
                #endregion

                Y1 = g(X);
                Y2 = h(X);
            }
            else   // Polytomous Items
            {
                #region "Function 'LL' "
                Func <double, CATItems, int[], double> LL = (th, items, x_in) =>
                {
                    double result = 1;

                    double[,] prob = Pi.Pi_Poly_Calc(th, it, model, D).Pi;

                    for (int i = 0; i < x_in.Length; i++)
                    {
                        result = result * prob[i, x_in[i]];
                    }

                    return(result);
                };
                #endregion

                #region "Function 'gg' "
                Func <double[], double[]> gg = (s) =>
                {
                    double[] resList = new double[s.Length];

                    for (int i = 0; i < s.Length; i++)
                    {
                        switch (priorDist)
                        {
                        case "norm":
                            resList[i] = Math.Pow(s[i] - thEst, 2) * CatRcs.Utils.CommonHelper.Dnorm(s[i], priorPar[0], priorPar[1]) * LL(s[i], it, x);
                            break;

                        case "unif":
                            resList[i] = Math.Pow(s[i] - thEst, 2) * CatRcs.Utils.CommonHelper.Dunif(s[i], priorPar[0], priorPar[1]) * LL(s[i], it, x);
                            break;

                        case "Jeffreys":
                            resList[i] = Math.Pow(s[i] - thEst, 2) * Math.Sqrt(CatRcs.Utils.RowColumn.Sum(Ii.Ii_Calc(s[i], it, model, D).Ii)) * LL(s[i], it, x);
                            break;
                        }
                    }

                    return(resList);
                };
                #endregion

                #region "Function 'hh' "
                Func <double[], double[]> hh = (s) =>
                {
                    double[] resList = new double[s.Length];

                    for (int i = 0; i < s.Length; i++)
                    {
                        switch (priorDist)
                        {
                        case "norm":
                            resList[i] = CatRcs.Utils.CommonHelper.Dnorm(s[i], priorPar[0], priorPar[1]) * LL(s[i], it, x);
                            break;

                        case "unif":
                            resList[i] = CatRcs.Utils.CommonHelper.Dunif(s[i], priorPar[0], priorPar[1]) * LL(s[i], it, x);
                            break;

                        case "Jeffreys":
                            resList[i] = Math.Sqrt(CatRcs.Utils.RowColumn.Sum(Ii.Ii_Calc(s[i], it, model, D).Ii)) * LL(s[i], it, x);
                            break;
                        }
                    }

                    return(resList);
                };
                #endregion

                Y1 = gg(X);
                Y2 = hh(X);
            }

            if ((Y1 != null) && (Y2 != null))
            {
                res = Math.Sqrt(CatRcs.Integrate_catR.Integrate_CatR_Calc(X, Y1) / CatRcs.Integrate_catR.Integrate_CatR_Calc(X, Y2));
            }

            return(res);
        }