A new study suggests that the format in which graphs are presented may be biasing people into being too optimistic or pessimistic about the trends the graphs display. Academics found that when people ...

Log-in to bookmark & organize content - it's free! Using examples, journalist Alberto Cairo talked about ways that data, charts and visualization are represented and interpreted. He discussed ...

Excel charts get the job done, but these tools make your data easier on the eyes.

Stock charts are graphs that display the stock price and volume history of a company's stock. Advanced charts can include price trend lines, chart patterns, and indicators which investors may attempt ...

Excel displays percentages of a whole using pie charts, also known as wedge charts of circle graphs. Businesses tend to rely on such charts. The diagrams appear cluttered when graphing many items, and ...

If you understand the definition of a mathematical function, a good way to judge it is that any line drawn parallel to the y-axis intersects with the values in the function’s curve only once. The same ...

The Change Chart Type utility in Microsoft Excel features several graphs from which you can select to convert your current Excel chart into a graph. Choosing a new graph type from the utility ...

Graphs and charts are fantastic tools for displaying data in an attractive visual format. This can make seeing data at a glance easy, which allows you to spot patterns or anomalies quickly. With the ...