X-Git-Url: https://adrianiainlam.tk/git/?a=blobdiff_plain;f=tests%2Flinear-regression.html;h=873e7ca4791614014884a19d83d38df9dcbb1e0a;hb=93a5bb4c827d6665f395c48b216438f95e94d76e;hp=bed74e0c6c155606a43fd03a998c6432fd9c40e9;hpb=34bbe78bab0cfe4a986802aa2e3dc5edbcc55c35;p=dygraphs.git
diff --git a/tests/linear-regression.html b/tests/linear-regression.html
index bed74e0..873e7ca 100644
--- a/tests/linear-regression.html
+++ b/tests/linear-regression.html
@@ -1,13 +1,14 @@
+
+
Linear Regression
-
-
-
-
-
+
+
+
@@ -35,7 +36,8 @@
{
labels: ['X', 'Y1', 'Y2'],
underlayCallback: drawLines,
- drawPoints: true
+ drawPoints: true,
+ strokeWidth: 0.0
}
);
@@ -54,6 +56,10 @@
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;
@@ -66,7 +72,7 @@
var b = (sum_y - a * sum_x) / num;
coeffs[series] = [b, a];
- if (console) {
+ if (typeof(console) != 'undefined') {
console.log("coeffs(" + series + "): [" + b + ", " + a + "]");
}
@@ -78,6 +84,10 @@
g.updateOptions({});
}
+ function toHex(rgb) {
+ return 'rgb(' + rgb.r + ',' + rgb.g + ',' + rgb.b + ')';
+ }
+
function drawLines(ctx, area, layout) {
if (typeof(g) == 'undefined') return; // won't be set on the initial draw.
@@ -95,11 +105,11 @@
var p1 = g.toDomCoords(x1, y1);
var p2 = g.toDomCoords(x2, y2);
- var c = new RGBColor(g.getColors()[i - 1]);
+ var c = Dygraph.toRGB_(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));
- var color = c.toHex();
+ var color = toHex(c);
ctx.save();
ctx.strokeStyle = color;
ctx.lineWidth = 1.0;