Data liberation via visualization

“Data democratization” movements try to make data, and especially government-held data, publicly available and accessible. A growing number of technological efforts are devoted to such efforts and especially the accessibility part. One such effort is by data visualization companies. A recent trend is to offer a free version (or at least free for some period) that is based on sharing your visualization and/or data to the Web. The “and/or” here is important, because in some cases you cannot share your data, but you would like to share the visualizations with the world. This is what I call “data liberation via … Continue reading Data liberation via visualization

Big Data: The Big Bad Wolf?

“Big Data” is a big buzzword. I bet that sentiment analysis of news coverage, blog posts and other social media sources would show a strong positive sentiment associated with Big Data. What exactly is big data depends on who you ask. Some people talk about lots of measurements (what I call “fat data”), others of huge numbers of records (“long data”), and some talk of both. How much is big? Again, depends who you ask. As a statistician who’s (luckily) strayed into data mining, I initially had the traditional knee-jerk reaction of “just get a good sample and get it … Continue reading Big Data: The Big Bad Wolf?

Forecasting + Analytics = ?

Quantitative forecasting is an age-old discipline, highly useful across different functions of an organization: from  forecasting sales and workforce demand to economic forecasting and inventory planning. Business schools have offered courses with titles such as “Time Series Forecasting”, “Forecasting Time Series Data“, “Business Forecasting“,  more specialized courses such as “Demand Planning and Sales Forecasting” or even graduate programs with title “Business and Economic Forecasting“. Simple “Forecasting” is also popular. Such courses are offered at the undergraduate, graduate and even executive education. All these might convey the importance and usefulness of forecasting, but they are far from conveying the coolness of forecasting. … Continue reading Forecasting + Analytics = ?