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Jul 16
2012
Kickstarter has been making waves in recent months as the premier place for crowd funding. Projects range from big to small, from purely entertainment to potentially life...[more]
2 comments | Dec 12
2011
A waterfall chart is visualization that helps illustrate the cumulative effect of multiple data elements. The waterfall chart isn’t my favorite visual, but I've softened to it lately. It'...[more]
Dec 07
2011
From time to time, clients create proof-of-concept dashboards in Excel or other relational data source and then hit a wall converting it to an OLAP cube. I’m never surprised to see it happen. What...[more]
Oct 27
2011
In August, the CDC published some data and charts related to Fetal Alcohol Spectrum Disorders (FASD). Included was the following map breaking down alcohol use and binge drinking by state:
The chart...[more]
Aug 25
2011
99.9% of the time, Tableau Server installation will be smooth sailing. The wizard is simple and easy, and Tableau’s online help is a wonderful guide. However, if you do have the misfortune of...[more]
Jan 18
2011
Over at Flowing Data, Nathan Yau sent out the challenge to visualize the Pew Research Center data about how people get their news. There are many excellent examples created that can be seen...[more]
Jan 11
2010
Mixing Collations
While creating an ETL process for a Client, I ran into the following MySQL error:
"Illegal mix of collations (latin1_swedish_ci,IMPLICIT) and (latin1_general_ci,IMPLICIT) for...[more]
Dec 22
2009
You are not alone. Passwords get lost, forgotten, or in my case, unintentionally altered. I recieved a SQL dump from a client that happened to contain all the system tables. When I...[more]