Make it easier to set breakpoints while testing CanvasAssertions.numLinesDrawn.

[dygraphs.git] / gallery / linear-regression.js

diff --git a/gallery/linear-regression.js b/gallery/linear-regression.js
index 0a93b8f..11caff2 100644 (file)
--- a/gallery/linear-regression.js
+++ b/gallery/linear-regression.js
@@ -1,21 +1,20 @@
-// Use this as a template for new Gallery entries.
 Gallery.register(
   'linear-regression',
   {
     name: 'Linear Regressions',
     title: 'Linear Regression Demo',
     setup: function(parent) {
-      parent.innerHTML =
-        "<p>Click the buttons to generate linear regressions over either data "+
-        "series. If you zoom in and then click the regression button, the regression "+
-        "will only be run over visible points. Zoom back out to see what the local "+
-        "regression looks like over the full data.</p> "+
-        "<div id='demodiv' style='width: 480px; height: 320px;'></div>" +
-        "<div style='text-align:center; width: 480px'>" + 
-        "<button style='color: green;' id='ry1'>Regression (Y1)</button> " +
-        "<button style='color: blue;' id='ry2'>Regression (Y2)</button> " +
-        "<button id='clear'>Clear Lines</button>" +
-        "</div>";
+      parent.innerHTML = [
+        "<p>Click the buttons to generate linear regressions over either data ",
+        "series. If you zoom in and then click the regression button, the regression ",
+        "will only be run over visible points. Zoom back out to see what the local ",
+        "regression looks like over the full data.</p> ",
+        "<div id='demodiv' style='width: 480px; height: 320px;'></div>",
+        "<div style='text-align:center; width: 480px'>",
+        "<button style='color: green;' id='ry1'>Regression (Y1)</button> ",
+        "<button style='color: blue;' id='ry2'>Regression (Y2)</button> ",
+        "<button id='clear'>Clear Lines</button>",
+        "</div>"].join("\n");
     },
     run: function() {
       document.getElementById("ry1").onclick = function() { regression(1) };
@@ -89,7 +88,7 @@ Gallery.register(
           var p1 = g.toDomCoords(x1, y1);
           var p2 = g.toDomCoords(x2, y2);
 
-          var c = new RGBColor(g.getColors()[i - 1]);
+          var c = new RGBColorParser(g.getColors()[i - 1]);
           c.r = Math.floor(255 - 0.5 * (255 - c.r));
           c.g = Math.floor(255 - 0.5 * (255 - c.g));
           c.b = Math.floor(255 - 0.5 * (255 - c.b));
@@ -113,6 +112,7 @@ Gallery.register(
                 labels: ['X', 'Y1', 'Y2'],
                 underlayCallback: drawLines,
                 drawPoints: true,
+                drawAxesAtZero: true,
                 strokeWidth: 0.0
               }
           );