fined, this will be used. If <code>data.xLabels</code> is defined and the axis is horizontal, this will be used. Similarly, if <code>data.yLabels</code> is defined and the axis is vertical, this property will be used. Using both <code>xLabels</code> and <code>yLabels</code> together can create a chart that uses strings for both the X and Y axes.</p>
<p>Specifying any of the settings above defines the x axis as <code>type: category</code> if not defined otherwise. For more fine-grained control of category la