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 ...

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 ...

Data visualization is one of the most important tools we have to analyze data. But it’s just as easy to mislead as it is to educate using charts and graphs. In this article we’ll take a look at 3 of ...

Forbes contributors publish independent expert analyses and insights. I help people communicate data clearly with graphs. This article is more than 10 years old. This is the first post in a new blog ...

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, ...

One of the advantages of using Excel as your spreadsheet application is that you can display a simple piece of information just as effectively as a complicated collection of data. For instance, you ...