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wq (version 0.3-1)

Exploring water quality monitoring data

Description

Functions to assist in the processing and exploration of data from monitoring programs for aquatic ecosystems. The focus is on time series data for physical and chemical properties of water, as well as the plankton. The package is intended for programs that sample approximately monthly at discrete stations.

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Version

Install

install.packages('wq')

Monthly Downloads

1

Version

0.3-1

License

GPL-2

Maintainer

Alan Jassby

Last Published

January 30th, 2011

Functions in wq (0.3-1)

plotTsTile

Image plot of monthly time series
plotTs

Time series plot
layOut

Arrange a group of saved plots
wq-internal

Internal wq objects
WqData-class

Class "WqData"
ec2pss

Convert conductivity to salinity
interpTs

Interpolate missing time series values
zoo-class

Class "zoo"
ts2df

Convert time series to data frame
phenoAmp-methods

Methods for Function phenoAmp
oxySol

Dissolved oxygen at saturation
tsMake-methods

Methods for Function tsMake
seasonTrend

Determine seasonal trends
DateTime-class

Class "DateTime"
phenoPhase

Phenological phase
plotSeason

Plots seasonal patterns for a time series
tsMake

Create time series from water quality data
mannKen

Mann-Kendall test and the Sen slope
ammFrac

Un-ionized ammonia
utilities

Miscellaneous utility functions
phenoPhase-methods

Methods for Function phenoPhase
eofNum

Assess significance of eigenvalues
seaKen

Seasonal and Regional Kendall test
mts2ts

Converts matrix to vector time series for various analyses
sfbay

San Francisco Bay water quality data
plotTsAnom

Anomaly plot of time series
trendHomog

Trend homogeneity test
eofPlot

Plot results of an EOF analysis
phenoAmp

Phenological amplitude
wq-package

Exploring water quality monitoring data
eof

Empirical orthogonal functions
wqData

Construct an object of class "WqData"
decompTs

Decompose a time series