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wq (version 0.2-9)

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

42

Version

0.2-9

License

GPL-2

Maintainer

Alan Jassby

Last Published

January 4th, 2011

Functions in wq (0.2-9)

tsMake

Create time series from water quality data
WqData-class

Class "WqData"
wq-package

Exploring water quality monitoring data
plotSeason

Plots seasonal patterns for a time series
DateTime-class

Class "DateTime"
utilities

Miscellaneous utility functions
decompTs

Decompose a time series
ec2pss

Convert conductivity to salinity
wqData

Construct an object of class "WqData"
ammFrac

Un-ionized ammonia
phenoPhase

Phenological phase
phenoAmp-methods

Methods for Function phenoAmp
oxySol

Dissolved oxygen at saturation
tsMake-methods

Methods for Function tsMake
plotSeasonTrend

Plot seasonal trends
phenoPhase-methods

Methods for Function phenoPhase
eof

Empirical orthogonal functions
ts2df

Convert time series to data frame
sfbay

San Francisco Bay water quality data
eofNum

Assess significance of eigenvalues
phenoAmp

Phenological amplitude
wq-internal

Internal wq objects
zoo-class

Class "zoo"
plotEof

Plot results of an EOF analysis
plotTsTile

Image plot of monthly time series
seaKen

Seasonal Kendall test
interpTs

Interpolate missing time series values
mannKen

Mann-Kendall test and the Sen slope