DataGraph takes a different approach to graphing and data analysis. It can take a little time to see how the program works, but we feel strongly you will be glad you took some time to learn the program.
In addition to asking questions on the forum, here are some resources to help you along the way:
This gives you a simple bar graph with a date axis. Here we have added formatting to remove the lines and add a fill color.
The Hover tool is also turned on so you can hover over a bar and see the value.
Turn on the Hover using shift-command-H.
You could also add the other elements of the graph – showing items on the time line.
Are you looking for the ability to produce a graph with hover elements on a web page?