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Task/Benfords-law/Sidef/benfords-law.sidef

@@ -0,0 +1,21 @@
+var fibonacci = [0, 1] ;
+{
+    fibonacci.append(fibonacci[-1] + $fibonacci[-2]);
+} * (1000 - fibonacci.len);
+
+var (actuals, expected) = ([], []);
+
+{ |i|
+    var num = 0;
+    fibonacci.each { |j| j.digit(-1) == i && (num++)};
+    actuals.append(num / 1000);
+    expected.append(1 + (1/i) -> log10);
+} * 9;
+
+"%17s%17s\n".printf("Observed","Expected");
+{ |i|
+    "%d : %11s %%%15s %%\n".printf(
+            i, "%.2f".sprintf(100 *  actuals[i - 1]),
+               "%.2f".sprintf(100 * expected[i - 1]),
+    );
+} * 9;