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About CrimeStat ®

CrimeStat III is a spatial statistics program for the analysis of crime incident locations, developed by Ned Levine & Associates under the direction of Ned Levine, PhD, that was funded by grants from the National Institute of Justice (grants 1997-IJ-CX-0040, 1999-IJ-CX-0044, 2002-IJ-CX-0007, and 2005-IJ-CX-K037). The program is Windows-based and interfaces with most desktop GIS programs. The purpose is to provide supplemental statistical tools to aid law enforcement agencies and criminal justice researchers in their crime mapping efforts. CrimeStat is being used by many police departments around the country as well as by criminal justice and other researchers. The latest version is 3.3.

The program inputs incident locations (e.g., robbery locations) in 'dbf', 'shp', ASCII or ODBC-compliant formats using either spherical or projected coordinates. It calculates various spatial statistics and writes graphical objects to ArcGIS®, MapInfo®, Surfer for Windows®, and other GIS packages.

CrimeStat is organized into five sections:

Data Setup

Spatial Description

Spatial Modeling

Crime Travel Demand Modeling

Crime travel demand modeling is a new module in CrimeStat III. It is an application of travel demand modeling, widely used in transportation planning, to crime analysis. The analysis is done by zones. First, crime 'trips' are defined as a link between an offender residence/origin location and a crime location. The number of crimes originating in each zone is counted as is the number of crimes ending in each zone. Second, the model is run sequentially in four separate stages with multiple routine in each stage:

Options

CrimeStat is accompanied by sample datasets and a manual that gives the background behind the statistics and examples. The manual also discusses applications of CrimeStat developed by other analysts and researchers. The program and sample data sets are in Windows-based zipped files that can be downloaded. The manual is a set of individual chapters in PDF files. They can be viewed online or downloaded. If downloading the PDF chapters separately, they should be saved into the same directory as the CrimeStat program. If the PDF file names are not renamed, they can be accessed directly from the program's help menu.

CrimeStat Libraries

The CrimeStat Libraries (version 1.0) are component objects that allow for the functions of CrimeStat to be programmed directly into custom software or systems. The CrimeStat Libraries include all of the routines that were developed through version 2.0 of the regular CrimeStat program, including spatial description, hot spot analysis, and kernel density interpolation routines. Additional spatial autocorrelation routines have been included. The libraries can input dbf, shape, and Ascii text files and can output to shape file, MIF/MID files, ASCII text files, and KML files.

Download History

Quarter/Year File Downloads Unique Visitors Page Views Session Count
Oct.-Dec. 2011 123,331 17,567 17,212 26,767
Jul.-Sept. 2011 84,568 13,319 16,021 21,495
Apr.-June 2011 95,632 14,312 17,024 23,019
Jan.-Mar. 2011 134,074 21,474 22,210 32,436
Oct.-Dec. 2010 118,598 13,038 28,001 21,365
July-Sept. 2010 65,874 7,248 95,984 13,326
Apr.-June 2010 65,978 7,697 109,624 15,007
Jan.-Mar. 2010 135,811 9,919 29,678 22,803
Oct.-Dec. 2009 77,081 9,437 101,099 18,069
July-Sept. 2009 46,714 6,685 67,265 13,744
Apr.-June 2009 61,632 7,799 85,330 14,694
Jan.-Mar. 2009 75,097 7,291 98,986 13,831
Oct.-Dec. 2008 107,112 7,332 131,107 13,585
July-Sept. 2008 56,112 6,040 73,300 11,930
Apr.-June 2008 55,726 7,212 75,302 13,829
Jan.-Mar. 2008 49,580 6,725 68,329 12,309
Oct.-Dec. 2007 53,883 6,336 72,217 10,920
July-Sept. 2007 37,857 5,544 53,119 10,258
Apr.-June 2007 114,638 6,122 133,107 11,744
Jan.-Mar. 2007 41,167 6,379 58,912 10,365
Oct.-Dec. 2006** 41,039 3,846 49,129 6,282
September 2006 9,130 1,229 15,332 1,793
August 2006 8,016 1,088 9,908 1,494
July 2006 8,789 1,110 10,856 1,748
June 2006 9,133 1,075 11,194 1,662
May 2006 13,816 1,266 16,126 1,900
April 2006 15,776 1,413 18,233 2,090
March 2006 13,516 1,438 16,479 2,251
February 2006 12,939 1,475 15,367 1,944
January 2006 12,337 1,380 14,708 1,840
December 2005 11,284 1,761 16,062 2,652
November 2005 13,390 1,566 15,787 2,034
October 2005 13,207 1,542 15,339 1,939
September 2005 14,750 1,447 16,826 1,761
August 2005 13,093 1,100 14,872 1,475
July 2005 7,283 933 8,958 1,250
June 2005 9,675 987 11,559 1,247
May 2005* 12,536 1,450 16,385 1,954
April 2005 2,554 431 - -
March 2005 2,491 381 - -
February 2005 2,310 366 - -
January 2005 2,053 338 - -
December 2004 1,629 282 - -
November 2004 2,112 358 - -
October 2004 2,272 376 - -
September 2004 1,894 323 - -
August 2004 2,114 348 - -
July 2004 2,378 405 - -
June 2004 2,558 390 - -
May 2004 2,926 461 - -

*Information on page views and session count was unavailable prior to May 2005. In early May 2005, we had a number of changes:

  1. CrimeStat III was released.
  2. We changed the software we used to track file downloads.
  3. We transformed CrimeStat into its own Web site.

The radical change in download activity is partly due to these changes.

**In Fall 2006 this table was changed to reflect quarterly, rather than monthly, figures. The Fall, Winter, Spring, Summer quarters cover October-December, January-March, April-June, July-September, respectively. Quarterly figures are posted early in the following quarter.