Data update

Task/Statistics-Basic/Sidef/statistics-basic.sidef

@@ -1,26 +1,26 @@
 func generate_statistics(n) {
-    var(sum=0, sum2=0);
-    var hist = 10.of(0);
-
+    var(sum=0, sum2=0)
+    var hist = 10.of(0)
+ 
     n.times {
-        var r = 1.rand;
-        sum += r;
-        sum2 += r**2;
-        hist[10*r] += 1;
+        var r = 1.rand
+        sum += r
+        sum2 += r**2
+        hist[10*r] += 1
     }
-
-    var mean = sum/n;
-    var stddev = Math.sqrt(sum2/n - mean**2);
-
-    say "size: #{n}";
-    say "mean:   #{mean}";
-    say "stddev: #{stddev}";
-
-    var max = hist.max;
-    hist.range.each {|i|
-        printf("%.1f:%s\n", 0.1*i, "=" * 70*hist[i]/max);
+ 
+    var mean = sum/n
+    var stddev = sqrt(sum2/n - mean**2)
+ 
+    say "size: #{n}"
+    say "mean:   #{mean}"
+    say "stddev: #{stddev}"
+ 
+    var max = hist.max
+    for i in ^hist {
+        printf("%.1f:%s\n", 0.1*i, "=" * 70*hist[i]/max)
     }
-    print "\n";
+    print "\n"
 }
-
+ 
 [100, 1000, 10000].each {|n| generate_statistics(n) }