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Water Resources of the United States

USGS Library for S-PLUS for Windows

Description of Release 4.0:

Release 4.0 of the U.S. Geological Survey S-PLUS library supercedes release 2.1. It comprises functions, dialogs, and datasets used in the U.S. Geological Survey for the analysis of water-resources data. This version does not contain ESTREND, which was in version 2.1. See Release 2.1 for information and access to that version.

This library requires Release 8.1 or later of S-PLUS for Windows. S-PLUS is a commercial statistical and graphical analysis software package produced by TIBCO corporation(http://www.tibco.com/).

The USGS library is not supported by TIBCO or its technical support staff.

Contents of Release 4.0:

Graphics
The USGS library for S-PLUS contains some specialized graphics for water-quality data, including a Piper plot and Stiff diagrams. It also contains functions for easily creating hydrographs and boxplots.
Statistics
This library contains applications for the analysis of left-censored data, common for water-quality data; for the analysis of trends; and to assist in linear regression modeling.
Miscellaneous
Several miscellaneous functions are included in the library to assist the management of hydrologic data.
Datasets
Several datasets and external data files are included to support example applications.

Citation for Release 4.0:

This USGS library for S-PLUS for Windows may be cited as

Lorenz, D.L., and others, 2011, USGS library for S-PLUS for Windows -- Release 4.0: U.S. Geological Survey Open-File Report 2011-1130.

Contributors to Release 4.0:

The computer code and documentation in this library are the work of many hydrologists, computer programmers, and data analysts in the USGS. The primary contributors are:

David L. Lorenz, Principal developer
Elizabeth A. Ahearn, Meriden data
Janet M. Carter, reviewer
Timothy A. Cohn, contributed to left-censored data example applications
Wendy J. Danchuk, advice on graphics applications
Jeffrey W. Frey, reviewer
Dennis R. Helsel (Retired), advice on left-censored data applications
Kathy E. Lee, example Excel data
David C. Leeth, left-censored data functions and reviewer
Jeffrey D. Martin, contributed data
Virginia L. McGuire, training, testing, and reviewer
Kathleen M. Neitzert, training, testing, and reviewer
Dale M. Robertson, contributed data
James R. Slack (Retired), seasonal Kendall and other statistical analysis functions
Jeffrey Starn, reviewer
Aldo V. Vecchia, seasonal wave analysis and contributed data
Donald H. Wilkison, reviewer
Joyce E. Williamson, contributed to data and graphing example applications and reviewer

Installing Release 4.0 of the USGS Library:

1. Stop S-PLUS if it is running.
2. If you are upgrading from a previous version of the USGS Library, delete the S_HOME\local\library\USGS directory. This is typically \Program Files\TIBCO\splus81\local\library\USGS.
3. Download USGS-4.0.zip (size 3,262 KB).
4. In some directory (e.g. C:\Temp), unzip USGS-4.0.zip. This creates a directory called USGS which contains a dozen or so files and a .Data directory.
5. Copy the entire USGS directory to S_HOME\local\library\USGS, which is typically C:\Program Files\TIBCO\splus81\local\library\USGS.
6. From the USGS directory, move the file S.init into \Program Files\TIBCO\splus81\local or equivalent. This forces the automatic loading of the USGS library (functions, dialogs, datasets, and Help) when S-PLUS is started.

Release 2.1

Release 2.1 of the U.S. Geological Survey S-PLUS library comprises functions, dialogs, and datasets used in the U.S. Geological Survey for the analysis of water-resources data.

This library requires Release 6.1 to 8.0 of S-PLUS for Windows. Some applications in this library may not work in Release 8.1 of S-PLUS because of changes to S-PLUS functions in that release. S-PLUS is a commercial statistical and graphical analysis software package produced by TIBCO corporation(http://www.tibco.com/).

The USGS library is not supported by TIBCO or its technical support staff.

Citation for Release 2.1:

This USGS library for S-PLUS for Windows may be cited as

Slack, J.R., D.L. Lorenz, and others, 2003, USGS library for S-PLUS for Windows -- Release 2.1: U.S. Geological Survey Open-File Report 03-357.

Installing Release 2.1 of the USGS Library:

1. Stop S-PLUS if it is running.
2. If you are upgrading from a previous version of the USGS Library, delete the S_HOME\local\library\USGS directory. This is typically \Program Files\TIBCO\splus81\local\library\USGS.
3. Download USGS_lib.zip (size 3,262 KB).
4. In some directory (e.g. C:\Temp), unzip USGS_lib.zip. This creates a directory called USGS which contains a dozen or so files and a .Data directory.
5. Copy the entire USGS directory to S_HOME\local\library\USGS which is typically C:\Program Files\TIBCO\splus81\local\library\USGS.
6. From the USGS directory, move the file S.init into \Program Files\TIBCO\splus81\local or equivalent. This forces the automatic loading of the USGS library (functions, dialogs, datasets, and Help) when S-PLUS is started.

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