http://tags.library.upenn.edu/tag/heat_maps PennTags Feed http://tags.library.upenn.edu/makerecord/url/13765 http://tags.library.upenn.edu/makerecord/url/13765 Downtown Los Angeles is the epicenter of the largest homeless population in the United States.<p>The Downtown Los Angeles Homeless Map takes raw data about those sleeping on the streets and transforms it into a visual tool for understanding the situation.<br />Always Changing:</p><p>The sequence shows a slice of the map and how population shifts over a ten week period. </p><br />