# Exploring Water Quality Monitoring Data

## Documentation for package ‘wql’ version 1.0.3

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

## Help Pages

wql-package | The main purpose of 'wql' is to explore seasonal time series through plots and nonparametric trend tests. It was created originally to examine water quality data sets (hence, "wql") but is suitable as a more general purpose set of tools for looking at annual or seasonal time series.
date2decyear | date2decyear
DateTime-class | Class "DateTime"
decompTs | Decompose a time series
decyear2date | decyear2date
ec2pss | Convert conductivity to salinity
eof | Empirical orthogonal function analysis
eofNum | Plot EOF percent variance
eofPlot | Plot EOF analysis results
interpTs | Interpolate or substitute missing time series values
layerMean | layerMean
leapYear | leapYear
mannKen | Mann-Kendall trend test and the Sen slope
meanSub | meanSub
monthCor | monthCor
monthNum | monthNum
mts2ts | Converts matrix to vector time series for various analyses
oxySol | Dissolved oxygen at saturation
pett | Nonparametric Change-Point Detection
phenoAmp | Phenological amplitude
phenoAmp-method | Phenological amplitude
phenoAmp-methods | Methods for Function phenoAmp
phenoPhase | Phenological phase
phenoPhase-method | Phenological phase
phenoPhase-methods | Methods for Function phenoPhase
plot-method | Class WqData
plotSeason | Plots seasonal patterns for a time series
plotTs | Time series plot
plotTsAnom | Anomaly plot of time series
plotTsTile | Image plot of monthly time series
R2pss | R2pss
seaKen | Seasonal and Regional Kendall trend test
seaRoll | Rolling Seasonal Kendall trend test
seasonTrend | Determine seasonal trends
sfbay | San Francisco Bay water quality data
sfbayChla | San Francisco Bay water quality data
sfbayStns | San Francisco Bay water quality data
sfbayVars | San Francisco Bay water quality data
summary-method | Class WqData
trendHomog | Trend homogeneity test
ts2df | Convert time series to data frame
tsMake | Create time series from water quality data
tsMake-method | Create time series from water quality data
tsMake-methods | Methods for Function tsMake
tsSub | tsSub
wqData | Construct an object of class "WqData"
WqData-class | Class WqData
wql | The main purpose of 'wql' is to explore seasonal time series through plots and nonparametric trend tests. It was created originally to examine water quality data sets (hence, "wql") but is suitable as a more general purpose set of tools for looking at annual or seasonal time series.
years | Miscellaneous utility functions
zoo-class | Class "zoo"
[-method | Class WqData