Charts and graphs are useful in presenting data in a graphical form. Different layout, axis, and plotting approaches can ...

The scale on the left graph is inappropriate. The numbers go up higher than necessary on both axes. This means the points are squashed into a small part of the graph area and are difficult to read ...

Jon Stewart has a trusty method to not getting “overemotional” about the stuff Donald Trump says — or does he? This week on ...

Bar charts and line graphs can be combined. Climate graphs are an example of this. The x-axis shows the months of the year and there are two y-axes to show average temperature and total rainfall.