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    $\begingroup$ I can see how one might conceive of these charts as representing information about 15 variables (each of the "modules") or 2 variables (type of module and count), but not as univariate. Some explanation of the sense in which you mean "univariate" therefore would be helpful. $\endgroup$ Commented Jan 2, 2020 at 19:37
  • $\begingroup$ @whuber They are univariate in the sense that they are produced from a single variable, which in its most elementary form is a single vector of values (if you're not interested in labels). The linked article provides a bit more context for this. $\endgroup$ Commented Jan 2, 2020 at 20:27
  • $\begingroup$ The term "univariate" seems perfectly appropriate to me: en.wikipedia.org/wiki/Univariate_(statistics) $\endgroup$ Commented Jan 2, 2020 at 20:29
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    $\begingroup$ I cannot see how you could possibly produce such a chart from a "single vector of values," because you also need a vector of the names of the corresponding modules. That's essential because the values determine the sequence of the names. $\endgroup$ Commented Jan 2, 2020 at 20:29
  • $\begingroup$ The names contain no data that you can perform any kind of meaningful analysis upon. You might omit them and just use the position in the array as a pointer to the value's corresponding category. $\endgroup$ Commented Jan 2, 2020 at 20:31