Wise Practitioner – Predictive Analytics Interview Series: Sarah Holder of Duke Energy

In anticipation of her upcoming conference presentation, “It’s Not a Black Box! Explaining Predictive Models to the Masses”, at Predictive Analytics World San Francisco, March 29-April 2, 2015, we asked Sarah Holder, Senior Market Research Analyst at Duke Energy a few questions about her work in predictive analytics. Q: In your work with predictive analytics, what…

On the Nature of Reported Truth

I find it painful that despite all the amazing data available at our fingertips, it’s sometimes still so hard to get at the “truth.”

The U.S. House of Reps, and Data Visualization (#2)

The whole point of a graph is to give the reader a quick, easily comprehensible visual impression of the data, so even small changes can be critically important.

The U.S. House of Reps, and Data Visualization (#1)

Does turning data into beautiful, elegant graphics actually result in a better-informed audience? Is it the most efficient, effective way to get your point across?

Defining Data Scientists & Their Tools

There’s no shortage of opinion in the blogosphere on the relative merits of SAS, R and Python for data science.