BoxPlot. This software will calculate the 1st quartile, median, and 3rd quartile of any numeric field in a shape files attribute database table (any DBF file). Box Plot will also write these results to a file, render a box plot graphic, and create a new file that is ready to be joined in ArcGIS or ArcView. The median is a resilient statistic that is quite important for data visualization and understanding a spatial data set.

Download this software ( 3.9 MB)

Once you have downloaded the file, you must extract this file on your hard drive. Then, to run the setup application, simply double-click the setup icon and follow the on-screen directions. WinNT users should have administrator privileges to install this software.