A chart is a graphical representation of data that helps your audience to understand your information easily; charts make comparisons in your data and analyze the trends or patterns in data sets.

Microsoft Excel 2007 supports a variety of chart types to create a combination chart and help your viewers see the differences between two or more data series. For example, one data series in a line ...

Treemap has nine variations, all of which show a hierarchical view of the target data and how the sections of that hierarchy compare in size to each other. The main branches of the tree are displayed ...