<i>customBars</i>: [x, [low1, val1, high1], [low2, val2, high2], ...]
</code>
- <p>To specify missing data, set the value to null. You may not set a value
- inside an array to null. Use null instead of the entire array.</p>
+ <p>To specify missing data, set the value to null or NaN. You may not set a value
+ inside an array to null or NaN. Use null or NaN instead of the entire array.
+ The only difference between the two is when the option
+ <a href="options.html#conectSeparatedPoints">connectSeparatedPoints</a>
+ true. In that case, the gaps created by nulls are filled in, and gaps
+ created by NaNs are preserved.
+ </p>
<a name="function"><h3>Functions</h3>
function() { return x; }
</code>
+ Functions can return strings, arrays, data tables, URLs, or any other data type.
+
<a name="datatable"><h3>DataTable</h3>
<p>You can also specify a Google Visualization Library <a
href="http://code.google.com/apis/visualization/documentation/reference.html#DataTable">DataTable</a>
- walkthrough of using std. dev. in a spreadsheet chart
</pre>
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