Added link to example code to this documentation
Understanding the distribution of data within a column is often essential. Tablesaw provides one and two dimensional histograms, as well as box plots.
+The complete code for this example can be found here:
+https://github.com/jtablesaw/tablesaw/blob/master/jsplot/src/test/java/tech/tablesaw/examples/DistributionVisualizations.java
+
We start by loading the data we'll use in our examples below.
```Java
