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Frequencies in R — Part 2

Click here to learn more about author Steve Miller. In last month’s blog, I compared several functions that compute frequencies and crosstabs in R. The ones I’ve worked with primarily, and the foci of Part 1, were table from the base package, xtabs from the stats package, and count from Hadley Wickham’s plyr package. Tests were conducted on a data set […]

How We Will Harvest Cognition in 2017

Click here to learn more about author James Kobielus. As we bid farewell to 2016, the entire data industry is focused on cognitive computing as the path forward. We’re all making predictions for how Cognitive Computing’s footprint in our lives will deepen in coming years. One key assumption in everybody’s predictions is that somehow this […]

Frequencies in R — Part 1

Click here to learn more about author Steve Miller. I’m often asked to name the most common statistical procedure used in my company’s Data Science work. My answer, only partly in jest, is frequencies and crosstabs — to help with the mundane tasks of profiling and exploring data. Indeed frequency distributions and the dotplots that showcase […]

Data Modeling: Why Not 3D?

Click here to learn more about author Thomas Frisendal. Data Models are meant to communicate structure of information to recipients, who need to understand it. But who are these recipients? In fact, they are human beings. Given that, we should choose our means of communication to be the most effective that we can find. Other […]