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USGS water science R functions for the analysis of daily-values data.

Package Status


This package is currently in an 'orphaned' state, and looking for a new maintainer. For more information, see:

If you are interested in becoming the official maintainer of DVstats, please email

In the meantime, we rely on community involvement to report and fix bugs.

Current build tests:

Linux Test Coverage
travis Coverage Status

Reporting bugs

Please consider reporting bugs and asking questions on the Issues page:

Follow @USGS_R on Twitter for updates on USGS R packages:

Twitter Follow

Code of Conduct

We want to encourage a warm, welcoming, and safe environment for contributing to this project. See the code of conduct for more information.

Package Installation

To install the DVstats package:

USGS R Installation Instructions:

  1. Install R (version 3.0 or greater) from:

  2. Install RStudio from:

  3. Add the USGS R repository to your "Rprofile" to get automatic updates. Run the following code:

rprofile_path = file.path(Sys.getenv("HOME"), ".Rprofile")
    append =  TRUE)

cat('Your Rprofile has been updated to include GRAN.
  Please restart R for changes to take effect.')
  1. Restart R!

  2. In the RStudio "Console" window (usually left or lower-left), run the following command:

  1. Update often. Next time you update your packages, DVstats will automatically update:


  2. Make sure to keep your version of R up-to-date. CRAN and the USGS repository will only update packages for the most recent version of R, and one version behind that.


This software is in the public domain because it contains materials that originally came from the U.S. Geological Survey, an agency of the United States Department of Interior. For more information, see the official USGS copyright policy at

Although this software program has been used by the U.S. Geological Survey (USGS), no warranty, expressed or implied, is made by the USGS or the U.S. Government as to the accuracy and functioning of the program and related program material nor shall the fact of distribution constitute any such warranty, and no responsibility is assumed by the USGS in connection therewith.

This software is provided "AS IS."