e()</a></code> for a matrix or data.frame of colors, with optional labels <img src="reference/figures/README-imageByColors-1.png" alt="Example color matrix as plotted using the image by colors function()">
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<code><a href="reference/minorLogTicksAxis.html">minorLogTicksAxis()</a></code>, <code><a href="reference/minorLogTicksAxis.html">logFoldAxis()</a></code>, <code><a href="reference/minorLogTicksAxis.html">pvalueAxis()</a></code> - log axis tick marks and labels, compatible with <code>offset</co