This directory contains two data sets and files that describe various aspects related to these data sets. Below is a list of files in this directory and a brief description of their contents. Filename Description ===================================================================== ReadMe.txt This file. USCensus1990.readme.txt Describes USCensus1990 data set USCensus1990.data.txt Contains USCensus1990 data set USCensus1990.attributes.txt Contains a list of attributes in the USCensus1990 data set. See the file USCensus1990raw.attributes.txt and USCensus1990.readme.txt for more information on coding of values USCensus1990.mapping.sql Describes mapping for transformed variables USCensus1990.task.txt Describes a task for which the USCensus1990 data set has been used. USCensus1990raw.readme.txt Describes USCensus1990raw data set USCensus1990raw.data.txt Contains USCensus1990 data set USCensus1990raw.attributes.txt Contains the Attributes and coding for values for USCensus1990raw data set USCensus1990raw.coding.htm Describes the values for categorical data not completely described in USCensus1990.raw.attributes.txt.