# Long Term Water Quality Trend Analysis

## Documentation for package ‘baytrends’ version 1.2.1

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

## Help Pages

analysisOrganizeData | Analysis Organization & Data Preparation
baytrends | baytrends: Long Term Water Quality Trend Analysis
closeOut | Document Processing Time and Other Session Time
createResiduals | Calculate GAM residuals
dataCensored | Chesapeake Bay Program Monitoring Data, 1985-2016
detrended.flow | Create Seasonally Detrended Flow Data Set
detrended.salinity | Create Seasonally Detrended Salinty Data Set
gamDiff | Compute an estimate of difference based on GAM results
gamPlotDisp | Plot censored gam fits vs. time
gamPlotDispSeason | Plot censored gam fits vs. time
gamTest | Perform GAM analysis
gamTestSeason | Perform GAM analysis for Specified Season
impute | Impute Censored Values
layerLukup | Layer List
loadData | Load/Clean CSV and TXT Data File
loadExcel | Load/Clean Excel sheet
loadModels | Load Built-in GAM formulas
loadModelsResid | Load Built-in GAM formulas for calculating residuals
parameterList | Parameter List
pcodeColData | Selected USGS parameter Codes
Q05078470 | Daily Streamflow
qw.export | qw.export
qw.import | qw.import
QW05078470 | Stream Water Quality
QWstacked | Stream Water Quality
rbindQW | Combine Data by Rows
sal | Salinity data
saveDF | Save R object to disk
selectData | Select data for analysis from a larger data frame
stationMasterList | Chesapeake Bay Program long-term tidal monitoring stations
usgsGages | USGS Gages