Data commit

Task/Statistics-Basic/C-sharp/statistics-basic.cs

@@ -0,0 +1,32 @@
+using System;
+using MathNet.Numerics.Statistics;
+
+class Program
+{
+    static void Run(int sampleSize)
+    {
+        double[] X = new double[sampleSize];
+        var r = new Random();
+        for (int i = 0; i < sampleSize; i++)
+            X[i] = r.NextDouble();
+
+        const int numBuckets = 10;
+        var histogram = new Histogram(X, numBuckets);
+        Console.WriteLine("Sample size: {0:N0}", sampleSize);
+        for (int i = 0; i < numBuckets; i++)
+        {
+            string bar = new String('#', (int)(histogram[i].Count * 360 / sampleSize));
+            Console.WriteLine(" {0:0.00} : {1}", histogram[i].LowerBound, bar);
+        }
+        var statistics = new DescriptiveStatistics(X);
+        Console.WriteLine("  Mean: " + statistics.Mean);
+        Console.WriteLine("StdDev: " + statistics.StandardDeviation);
+        Console.WriteLine();
+    }
+    static void Main(string[] args)
+    {
+        Run(100);
+        Run(1000);
+        Run(10000);
+    }
+}