title: Harmonizing Disparate Data across Time and Place: The Integrated Spatio-Temporal Aggregate Data Series.
abstract: In this article, the authors describe a new data infrastructure project being developed at the Minnesota Population Center. The Integrated Spatio-Temporal Aggregate Data Series (ISTADS) will make it easier for researchers to use publicly available aggregate data for the United States over a time span that covers virtually the entire life of the nation: 1790-2012. In addition to facilitating access and ease of use, ISTADS will facilitate the use of these various data sets in mapping and spatial analysis.
authors.affiliation: Minnesota Population Center, University of Minnesota.
authors.forename: Petra
authors.initials: P
authors.lastname: Noble
authors.forename: David
authors.initials: D
authors.lastname: VAN Riper
authors.forename: Steven
authors.initials: S
authors.lastname: Ruggles
authors.forename: Jonathan
authors.initials: J
authors.lastname: Schroeder
authors.forename: Monty
authors.initials: M
authors.lastname: Hindman
keywords: GIS; aggregate data; census data; data integration