Changing chart types using parameters

- [Instructor] All right, so we've already seen one way…that we can use parameters to give people the ability…to change options within a chart.…We can also use parameters…to actually change charts altogether,…so what people actually view on the screen.…Though people really love maps, sometimes it might be useful…to provide the information in a bar chart as well.…So I want to give people the option to be able to see…this first chart where internet usage and population size…because right now we could add some of the information,…but you got to hover over each one to be able to see it also…as a bar chart, so people can digest that information…through a bar chart as well.…

What I'm going to do is go ahead,…and I'm just going to jump over to this sheet,…is go ahead and create now a new parameter in our set here.…I'm going to create, and parameter,…and we're going to go ahead and just clear all.…And this one is going to be called chart type,…and we're going to leave it as string.…List is good for values, and now I'm going to have a map,…