Quantitative data is the "lifeblood" of any statistical analysis.  Multivariate statistical techniques are most suited to more complex datasets containing relationships with multiple dependent and/or independent variables and a larger number of observations.  Today there are websites almost every type of data imaginable.  The selected sites in this section are classified into three groups:

Please feel free to submit any data sources you feel merit inclusion in these listings.

 
 

Statistical Datasets

    CMU StatLib
      Perhaps the most widely known statistical archive, Carnegie Mellon's StatLib is an archive system with extensive datasets as well as other statistical resources.
       

    Data and Story Library

      DASL (pronounced "dazzle") is a project sponsored by Cornell University containing an online library of datafiles and "stories" illustrating basic statistical concepts. Stories are classified according to statistical methods and major topics of interest.
    Resources for Teaching Statistics
      Features Dr. B's Wide World of Web Data (links to hundreds of on-line datasets all over the world, organized by subject heading) and Dr. B's Data Gallery (collection of variables with gifs of histograms, boxplots, stem-and-leaf plots, normal-probability plots, descriptive statistics, and raw data used to illustrate what real data look like and for examples in lectures).
    Time Series Data Library
      Robert Hyndman of Monash University has identified over 800 datasets and organized them by topic
    UCI Machine Learning Repository
      Acts as a repository of over 100 databases, domain theories and data generators used by the machine learning community for the empirical analysis of machine learning algorithms
    Statistical Reference Datasets (StRD)
      The purpose of this project is to improve the accuracy of statistical software by providing reference datasets with certified computational results that enable the objective evaluation of statistical software.

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Repositories and Bibliographies
 

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 Governmental Data Sources

    FEDSTATS
      Maintained by the Federal Interagency Council on Statistical Policy to facilitate access to the statistics and information for over 70 agencies of the Federal Government.

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Multivariate Data Analysis  6/E
Hair, Black, Babin, Anderson and Tatham

www.mvstats.com