TORQ database 
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   The TORQ database contains transactions, quotes, order processing data and
   audit trail data for a sample of 144 NYSE stocks for the three months
   November, 1990 through January 1991. This document covers installation,
   formatting and use of the data. Conceptual and institutional details
   concerning the data are given in a companion publication Hasbrouck 
   and Sosebee (1992).

   These data are distributed for purposes of academic research. No warranty is
   made that they are free of errors. The user assumes all responsibility for
   the consequences of any errors.

Objectives: 
----------
   1) Understand TORQ database 

   2) understand how to retrieve data from the binary data sets

   3) illustrate a few applications 

   4) comments 

Sources
-------
 Manual, 
    http://people.stern.nyu.edu/jhasbrou/Research/Working%20Papers/TORQDOC3.PDF

 Source of data
    http://people.stern.nyu.edu/jhasbrou/Research/Working%20Papers/
   
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Rattle R package 
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Welcome to Rattle (rattle.togaware.com).

  Rattle is a free graphical user interface for Data Science, developed using R. 

  R is a free software environment for statistical computing, graphics, machine 
  learning and artificial intelligence. Together Rattle and R provide a 
  sophisticated environment for data science, statistical analyses, and 
  data visualization.

  See the Help menu for extensive support in using Rattle. The books Data Mining with 
  Rattle and R and Essential Data Science are available from Amazon. The Togaware 
  Desktop Data Mining Survival Guide includes Rattle documentation and is available 
  from datamining.togaware.com

  Rattle works with open source R which is limited to datasets and processing 
  that fit into your computers memory. Further details from 
      https://docs.microsoft.com/en-us/r-server/

  Rattle is licensed under the GNU General Public License, Version 2. Rattle comes 
      with ABSOLUTELY NO WARRANTY. See Help -> About for details.

   Rattle Version 5.1.0. Copyright 2006-2017 Togaware Pty Ltd. Rattle is a registered 
   trademark of Togaware Pty Ltd. Rattle was created and implemented by Graham Williams 
   with contributions as acknowledged in 'library(help=rattle)'.

-----------------------------------------
First, install an R package called rattle

  >install.packages("rattle")


-----------------------------------------
  > library(rattle)
    Rattle: A free graphical interface for data science with R.
    Version 5.1.0 Copyright (c) 2006-2017 Togaware Pty Ltd.
    Type 'rattle()' to shake, rattle, and roll your data.
   > 

   > rattle()

    https://cran.r-project.org/web/packages/rattle/vignettes/rattle.pdf

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