On Friday, 29 Sep 2017 at 17:32, Peter Davis wrote:
> I'm sorry to belabor this, but I could use some help. I'd be willing to
> pay a modest consulting fee, but I'm trying to solve a problem in a
> timely way, as it would help me with healthcare decisions.
>
> Basically, I want to plot a time series graph showing my PSA (prostate
> specific antigen) over time. The PSA is measured at irregular intervals,
> and has been for over 4 years (and hopefully will continue for many more
> years.) That should be a simple enough graph. I've already got a
> javascript d3 example that does this, but I'd like to embed it in a
> document, and to be able to generate PDF.

This part is relatively straightforward.  Using your data example, you
can do the following: