<p>I just asked the question <a href="https://stats.stackexchange.com/questions/29025/how-to-label-a-constant-y-axis-in-a-grid-of-plots">How to label a constant y-axis in a grid of plots?</a></p>

<p>Technically, it is about 'visualizing data', and I expect that cv.SE users would have good answers, but I am not sure if it is actually on topic since it deals specifically with labeling a figure - perhaps it would be more on topic at <a href="https://graphicdesign.stackexchange.com/">graphicdesign.SE</a>. </p>
