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July 17, 2015
Prior to the release of the June 2015 state coincident and state leading indexes, we discovered a processing error, which was part of the retrending step of the state coincident indexes. The error underestimated the underlying long-term growth trend used by both indexes for most states and affected all releases back through October 2010. A more detailed explanation with an analysis of the impact on each individual state can be downloaded. We issued revised releases, data, and maps for the May 2015 state coincident and state leading indexes. However, our series of historical maps will not be revised.