baytrends (1.1.0)

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Long Term Water Quality Trend Analysis.

Enable users to evaluate long-term trends using a Generalized Additive Modeling (GAM) approach. The model development includes selecting a GAM structure to describe nonlinear seasonally-varying changes over time, incorporation of hydrologic variability via either a river flow or salinity, the use of an intervention to deal with method or laboratory changes suspected to impact data values, and representation of left- and interval-censored data. The approach has been applied to water quality data in the Chesapeake Bay, a major estuary on the east coast of the United States to provide insights to a range of management- and research-focused questions.

Maintainer: Erik Leppo
Author(s): Rebecca Murphy, Elgin Perry, Jennifer Keisman, Jon Harcum, Erik W Leppo

License: GPL-3

Uses: dataRetrieval, digest, gdata, lubridate, memoise, mgcv, plyr, survival, XML, zCompositions, nlme, fitdistrplus, testthat, devtools, knitr, pander, rmarkdown, readxl, imputeTS, sessioninfo

Released about 1 year ago.

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