X-Git-Url: https://adrianiainlam.tk/git/?a=blobdiff_plain;f=tests%2Flinear-regression.html;h=6ccc94e4564558afe306877096797a7b316fd9c3;hb=c5a3744991be4af378d64dac5730119ddb2f2d82;hp=6a469b8d8290d4193f083aee07e80d5c3aeb4922;hpb=fb25c8b6d070c7e347b260ef39917220b6159e4e;p=dygraphs.git

diff --git a/tests/linear-regression.html b/tests/linear-regression.html
index 6a469b8..6ccc94e 100644
--- a/tests/linear-regression.html
+++ b/tests/linear-regression.html
@@ -22,21 +22,23 @@
     <div id="demodiv" style="width: 480px; height: 320px;"></div>
 
     <script type="text/javascript">
-      var data = [];
+      var data = "X,Y1,Y2\n";
       for (var i = 0; i < 120; i++) {
-        data.push([i,
-                   i / 5.0 + 10.0 * Math.sin(i / 3.0),
-                   30.0 - i / 5.0 - 10.0 * Math.sin(i / 3.0 + 1.0)]);
+        // data.push([i,
+        //            i / 5.0 + 10.0 * Math.sin(i / 3.0),
+        //            30.0 - i / 5.0 - 10.0 * Math.sin(i / 3.0 + 1.0)]);
+        data += i + "," + i + "/120," + (i*(120-i)) + "/" + (60*60) + "\n";
       }
 
       g = new Dygraph(
               document.getElementById("demodiv"),
               data,
               {
-                labels: ['X', 'Y1', 'Y2'],
                 underlayCallback: drawLines,
                 drawPoints: true,
-                strokeWidth: 0.0
+                strokeWidth: 0.0,
+                fractions: true,
+                errorBars: true
               }
           );
 
@@ -55,6 +57,10 @@
 
           var y = g.getValue(i, series);
           if (y == null) continue;
+          if (y.length == 2) {
+            // using fractions
+            y = y[0] / y[1];
+          }
 
           num++;
           sum_x += x;
@@ -93,6 +99,10 @@
           var x2 = range[1];
           var y2 = a * x2 + b;
 
+          // Scale up to percentages, rather than fractions.
+          y1 *= 100;
+          y2 *= 100;
+
           var p1 = g.toDomCoords(x1, y1);
           var p2 = g.toDomCoords(x2, y2);