A single large value in Microsoft Excel can disrupt your whole graph. For example, if you create a bar graph showing the market share held by each company in your industry, a single dominant ...

Microsoft Excel charts give you a large number of options for displaying the data in your spreadsheet. Sometimes, it is useful and informative to plot two different sets of data on the same chart, ...

Forbes contributors publish independent expert analyses and insights. I help people communicate data clearly with graphs. This post is motivated by a comment on my blog post Line Charts Are Not Always ...

Before any investor puts serious money in the stock market, it’s extremely important to understand the basics about a stock’s price, value and movement. Fortunately, there’s nearly unlimited data, ...