June 2018 Update

Task/Statistics-Basic/Julia/statistics-basic.julia

@@ -0,0 +1,18 @@
+function hist(numbers)
+    maxwidth = 50
+    h = fill(0, 10)
+    for n in numbers
+        h[ceil(Int, 10n)] += 1
+    end
+    mx = maximum(h)
+    for (n, i) in enumerate(h)
+        @printf("%3.1f: %s\n", n / 10, "+" ^ floor(Int, i / mx * maxwidth))
+    end
+end
+
+for i in 1:6
+    n = rand(10 ^ i)
+    println("\n##\n## $(10 ^ i) numbers")
+    @printf("μ: %8.6f; σ: %8.6f\n", mean(n), std(n))
+    hist(n)
+end