Estimating future success rates from initial experience
surveys and observation (tutorial)

A wide range of common business questions are often decided incorrectly because decision-makers overlook, forget or neglect the application of a simple concept from statistics. In this tutorial we will walk you through several examples to avoid this potentially costly mistake. Examples where this technique can help include: Is my ad worth the price? Conversion … Read more

Relative date filters in Tableau dashboards

Using relative date filters in Tableau dashboards are a great way to keep your dashboard up-to-date with minimal effort. They also provide the consumer with great control if you display the relative date filter as a quick filter on the dashboard, since they enable extensive customization to the time period displayed.   In this dashboard, … Read more

Tableau ranking and displaying specific ranked values

Here’s a general solution for Tableau. It required a view with the level of detail displaying the area of interest, some table calc’s and parameters. I think the better general case solution wold use RANK and PERCENTILES from the database. However, with local data sources, this option isn’t possible! This link is a Zip file … Read more

Book Excerpt: Tableau 7 Quick Table Calculations and Custom Table Calculations

This is a free preview from Rapid Graphs with Tableau Software 7, available in print and Kindle on Amazon and on the Nook at Barnes and Noble. Due to width constraints on this blog, you may notice some loss in resolution compared with the purchased book, which has approximately 2.5 times better resolution.     … Read more

Freakalytics newsletter, August 2012

Thank you for your interest in our newsletter. Please share it with your colleagues that can benefit from it. We are happy to share some great news, “The Accidental Analyst” is now available on Amazon in the US and Europe! We will be offering 90 minute book workshops around the country and a one-day course … Read more

2012 NCAA football rankings–ranks per poll & overall ranking

Teams inlcuded in this week: USC, LSU, Alabama, Oklahoma, Oregon, Georgia, Florida State, Michigan, South Carolina, Arkansas, West Virginia, Michigan State, Wisconsin, Clemson, Texas, Ohio State, Stanford, Nebraska, TCU, Virginia Tech, Oklahoma State, Kansas State, Florida, Boise State, Notre Dame, Louisville, Washington, Auburn, Georgia Tech, North Carolina, Utah, NC State, Baylor, South Florida, Texas A&M, … Read more