A box plot of WRTDS residuals by month

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Description

This function produces a boxplot of the residuals from WRTDS, expressed in natural log concentration units. It provides an alternative for viewing the standardized residuals, where the each residual is divided by its estimated standard error. The monthly boxplot widths are proportional to the square root of the sample size. The residuals for a censored value are determined as the difference between the natural log of the average of the upper and lower. bounds on the sample value, minus the log space estimate of concentration.

Although there are a lot of optional arguments to this function, most are set to a logical default.

Data come from named list, which contains a Sample dataframe with the sample data, and an INFO dataframe with metadata

Usage

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boxResidMonth(eList, stdResid = FALSE, las = 1, printTitle = TRUE,
  cex = 0.8, cex.axis = 1.1, cex.main = 1.1, font.main = 2,
  tinyPlot = FALSE, customPar = FALSE, randomCensored = FALSE, ...)

Arguments

eList

named list with at least the Sample and INFO dataframes

stdResid

logical variable, if TRUE it uses the standardized residual, if FALSE it uses the actual, default is FALSE

las

numeric in 0,1,2,3; the style of axis labels

printTitle

logical variable if TRUE title is printed, if FALSE not printed (this is best for a multi-plot figure)

cex

numerical value giving the amount by which plotting symbols should be magnified

cex.axis

magnification to be used for axis annotation relative to the current setting of cex

cex.main

magnification to be used for main titles relative to the current setting of cex

font.main

font to be used for plot main titles

tinyPlot

logical variable, if TRUE plot is designed to be plotted small, as a part of a multipart figure, default is FALSE

customPar

logical defaults to FALSE. If TRUE, par() should be set by user before calling this function

randomCensored

logical. Show censored residuals as randomized.

...

arbitrary graphical parameters that will be passed to genericEGRETDotPlot function (see ?par for options)

See Also

boxplot

Examples

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eList <- Choptank_eList
# Water year:
boxResidMonth(eList)
# Graphs consisting of Jun-Aug
eList <- setPA(eList, paStart=6,paLong=3)
boxResidMonth(eList)

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