Today I was creating a scatter plot in Tableau using about 1.5 years of monthly data. All the data points looked like they correlated nicely except for the March 2013 data point. With March 2013 included in the trend line calculation, the scatter plot looked like this and the r-squared was 59.4%: If the outlier…
Rich Roll (and his wife Julie Piatt) have been the best teachers I’ve had in a very long time. Rich is amazing and continues to deliver incredible content to many people through his podcasts, Twitter activities, website and his book Finding Ultra.
Today (8/8/13), CNN Money posted a story about Golfers and the “Major Money” they make by winning Major tournaments. Conceptually the visualization is very good but the execution is just OK (I can think of a few improvements). The biggest problem: the data is WRONG! Check it out for yourself by clicking here! They should…
The Term: The Cruise Effect. Definition: Gaining weight on a cruise ship is really easy. Losing that weight is not so easy. I would like to tell you about a two-month study that I just completed. The first month happened before I took a 5-day cruise from Charleston, S.C. to the Bahamas and back.
You can click here to see a Tableau dashboard that allows you to see who has been writing about Tableau on Twitter over time. The data embedded in this visualization has been captured using the Twitter API, and another post will be written about how that is done. You can search on any term you…
The Tableau website offers an enormous amount of valuable information to its users. The company Tableau has been very proactive in creating great training materials such as white papers, videos, articles, etc., and I’ve seen a continual buildup of this content over the past six years as a daily Tableau user. I really appreciate what…