Combined graphs with multiple axes are great sources of data, but they are readable only by the author. Have you tried to explain this kind of graph to your grandma? Martin Bago, Data Scientist from Instarea, will come to explain more to you about data presentation and interpretation in the easiest way. He will show you positive and negative examples, as well as available tools/libraries for creation of readable dashboards. These facts can help you simplify each measurable event.