Source: JUSTIN WOLFERS, DAVID LEONHARDT and KEVIN QUEALY, 1.5 Million Missing Black Men, New York Times, The Upshot, April 20, 2015, http://www.nytimes.com/interactive/2015/04/20/upshot/missing-black-men.html?abt=0002&abg=1&_r=3. In New York, almost 120,000 black men between the ages of 25 and 54 are missing from everyday life. In Chicago, 45,000 are, and more than 30,000 are missing in Philadelphia. Across the […]

Readers: To make it easier to find all of the MicroStrategy Interview Questions I posted, I have added a new page that contains a quick reference to all of them (see screenshot below). I will update this page after every five new interview questions have been added. Best Regards, Michael

Source: Welcome to the new MicroStrategy community! , MicroStrategy Community, September 8, 2014, http://community.microstrategy.com/t5/Community-News/Welcome-to-the-new-MicroStrategy-community/bc-p/198140#M84. We’re very happy that you are here. We read and analyzed feedback from many events and surveys concerning our current Discussion Forums and Knowledge Base. Today, we are proud to present to you the new MicroStrategy community. We’re very excited to have […]

The unique map of California, produced by the Southern Pacific Company in 1890. Click for more details The Lionel Pincus & Princess Firyal Map Division, New York Public Library (NYPL) has announced the release of more than 20,000 cartographic works as high-resolution downloads. The New York Public Library believes these maps have no known U.S. […]

Readers: I will be working in New York City this week. I came across these beautiful photos of 1910 New York City. I hope you enjoy them as much as I do. I will be posting New York City-related data visualization stories all of this week. I hope you check back each day to see […]

Readers: Today I am going to show you a fantastic choropleth map created by Matthew Bloch, Matthew Ericson and Tom Giratikanon from The New York Times. Their graph maps poverty in America. Now, before we look at the map, let’s discuss what a choropleth map is. Best regards, Michael Choropleth Map A choropleth map (Greek […]

As of Dec. 29, 2013, the number of homicides recorded for New York City for 2013 stood at 332. It’s a drop of 20% below the homicide rate of 2012 (419 murders) and the first time in over half a century that the city saw less than one murder a day on average. The historical data […]