Author: Adam

Quantified-self products of the future – an exhibition

Dublin Science Gallery have got a very data-focused exhibition on until April 17th, on the sort-of hot topic of "lifelogging", that ever-increasing hobby of tracking not only one's Fitbit steps but most anything one can vaguely quantify about one's life. It sounds like one of the funnest parts of it might be Karl Toomey's "lifelogging products of the future" area. Here … Continue reading Quantified-self products of the future – an exhibition →

Free data: Yelp “challenge” dataset: 1.6mi reviews, tips, business data

"1.6M reviews and 500K tips by 366K users for 61K businesses 481K business attributes, e.g., hours, parking availability, ambience. Social network of 366K users for a total of 2.9M social edges. Aggregated check-ins over time for each of the 61K businesses" Plus if you're a student you could win $5000 for playing with it. Go … Continue reading Free data: Yelp “challenge” dataset: 1.6mi reviews, tips, business data →

Calculating prior year differences with custom calendars Tableau challenge

Visualisations of KPIs always require some context in order to make the analysis conducive to decision-making rather than just looking pretty. One that is very common within businesss and elsewhere would be to check some value, for example sales revenue, against the same value within the same time period last year.  "Same time period last … Continue reading Calculating prior year differences with custom calendars Tableau challenge →

Why version 9 will {FIX} Tableau for me (and workarounds in the mean time)

Excitement builds within the dataviz world as the next version of Tableau gets close to launch, supposedly within the next 60 days. It has many new features, which data geeks and other fans can see an preview being dripped out piece by piece in the Tableau blog, and summaries elsewhere, but one has really caught my attention, … Continue reading Why version 9 will {FIX} Tableau for me (and workarounds in the mean time) →