# U.S. Geological Survey seawaveQ model

## Documentation for package ‘seawaveQ’ version 1.0.0

- DESCRIPTION file.
- User guides, package vignettes and other documentation.
- Package NEWS.

## Help Pages

seawaveQ-package | A model and utilities for analyzing trends in chemical concentrations in streams with a seasonal wave (seawave) and adjustment for streamflow (Q) and other ancillary variables (Q) and other ancillary variables
cenScatPlot | Scatter plot of water-quality data
combineData | Combine water-quality sample data and continuous ancillary variables
compwaveconv | Seasonal Wave Computation
cqwMoRivOmaha | Continuously monitored (daily) data for 06610000 Missouri River at Omaha, Neb.
examplecavdat | Example continuous ancillary variable data.
examplecavmat | Example continuous ancillary variable matrix.
examplecdatsub | Example water-quality data.
examplecentmp | Example logical vector.
exampleclog | Example of logarithmically transformed concentration data.
exampleqwcols | Example data indicators.
examplestpars | Example matrix for internal use.
exampletndlin | Example numeric vector used internally.
exampletndlinpr | Example numeric vector used internally.
exampletseas | Example numeric vector used internally.
exampletseaspr | Example numeric vector used internally.
exampletyr | Example numeric vector used internally.
exampletyrpr | Example numeric vector used internally.
fitMod | Internal function that fits the seawaveQ model.
fitswavecav | Fit seasonal wave and continuous ancillary data for trend analysis
IllRivValleyCty | Water-quality data for 05586100 Illinois River at Valley City, Ill.
prepData | Prepares concentration data and continuous ancillary data
qwMoRivOmaha | Water-quality data for 06610000 Missouri River at Omaha, Nebr.
rosBoxPlot | Boxplot of water-quality data
seawaveQ | A model and utilities for analyzing trends in chemical concentrations in streams with a seasonal wave (seawave) and adjustment for streamflow (Q) and other ancillary variables (Q) and other ancillary variables
seawaveQPlots | Internal function that generates plots of data and model results.