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[dygraphs.git] / tests / linear-regression.html
diff --git a/tests/linear-regression.html b/tests/linear-regression.html

index 6a469b8..bc629a0 100644 (file)
--- a/tests/linear-regression.html
+++ b/tests/linear-regression.html
@@ -1,3 +1,4 @@
+<!DOCTYPE html>
  <html>
    <head>
      <title>Linear Regression</title>
@@ -55,6 +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;