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2013-04-11 01:07:29 -07:00 · 2013-04-11 01:07:29 -07:00 · 68f8f3e56b
commit 68f8f3e56b
parent b83f433714
14735 changed files with 178959 additions and 0 deletions
--- a/Task/Stem-and-leaf-plot/JavaScript/stem-and-leaf-plot.js
+++ b/Task/Stem-and-leaf-plot/JavaScript/stem-and-leaf-plot.js
@ -0,0 +1,77 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
+<head>
+<meta http-equiv="Content-Type" content="text/html;charset=utf-8" >
+<title>stem and leaf plot</title>
+<script type='text/javascript'>
+
+    function has_property(obj, propname) {
+        return typeof(obj[propname]) === "undefined" ? false : true;
+    }
+
+    function compare_numbers(a, b) {return a-b;}
+
+    function stemplot(data, target) {
+        var stem_data = {};
+        var all_stems = [];
+        for (var i = 0; i < data.length; i++) {
+            var stem = Math.floor(data[i] / 10);
+            var leaf = Math.round(data[i] % 10);
+            if (has_property(stem_data, stem)) {
+                stem_data[stem].push(leaf);
+            } else {
+                stem_data[stem] = [leaf];
+                all_stems.push(stem);
+            }
+        }
+        all_stems.sort(compare_numbers);
+
+        var min_stem = all_stems[0];
+        var max_stem = all_stems[all_stems.length - 1];
+
+        var table = document.createElement('table');
+        for (var stem = min_stem; stem <= max_stem; stem++) {
+            var row = document.createElement('tr');
+            var label = document.createElement('th');
+            row.appendChild(label);
+            label.appendChild(document.createTextNode(stem));
+            if (has_property(stem_data, stem)) {
+                stem_data[stem].sort(compare_numbers);
+                for (var i = 0; i < stem_data[stem].length; i++) {
+                    var cell = document.createElement('td');
+                    cell.appendChild(document.createTextNode(stem_data[stem][i]));
+                    row.appendChild(cell);
+                }
+            }
+            table.appendChild(row);
+        }
+        target.appendChild(table);
+    }
+
+</script>
+<style type='text/css'>
+    body {font-family: monospace;}
+    table {border-collapse: collapse;}
+    th {border-right: 1px solid black; text-align: right;}
+    td {text-align: right;}
+</style>
+</head>
+<body>
+
+<div id="target"></div>
+
+<script type='text/javascript'>
+
+    var data = [
+        12,127,28,42,39,113,42,18,44,118,44,37,113,124,37,48,127,36,29,31,125,139,131,
+        115,105,132,104,123,35,113,122,42,117,119,58,109,23,105,63,27,44,105,99,41,128,
+        121,116,125,32,61,37,127,29,113,121,58,114,126,53,114,96,25,109,7,31,141,46,13,
+        27,43,117,116,27,7,68,40,31,115,124,42,128,52,71,118,117,38,27,106,33,117,116,
+        111,40,119,47,105,57,122,109,124,115,43,120,43,27,27,18,28,48,125,107,114,34,
+        133,45,120,30,127,31,116,146
+    ];
+    stemplot(data, document.getElementById('target'));
+
+</script>
+
+</body>
+</html>