granplot: Histogram with a cumulative percentage curve

Description Usage Arguments Details Value Author(s) See Also Examples

Description

This function provides a histogram of the grain-size distribution with a cumulative percentage curve

Usage

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granplot(x, xc = 1, hist = TRUE, cum = TRUE, main = "", 
			col.cum = "red", col.hist="gray", cexname=0.9,
			cexlab=1.3,decreasing=FALSE)

Arguments

x

A numeric matrix or data frame (see the shape of data(granulo))

xc

Define a column

hist

If TRUE, display a histogram; if FALSE, do not display a histogram

cum

If TRUE, display a cumulative percentage curve; if FALSE do not display a cumulative percentage curve

main

Add a title to the current plot

col.cum

Color in which cumulative percentage curve will be drawn

col.hist

Color in which histogram will be drawn

cexname

A numerical value giving the amount by which plotting text and symbols should be magnified relative to the default.

cexlab

A numerical value giving the amount by which axis labels should be magnified relative to the default.

decreasing

logical. Should the sort order be increasing or decreasing?

Details

The obtained graph is the most commonly used by Sedimentologists

Value

A histogram with a cumulative percentage curve

Author(s)

Regis K. Gallon (MNHN) reg.gallon@gmail.com, Jerome Fournier (CNRS) fournier@mnhn.fr

See Also

grandistrib

Examples

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data(granulo)
granplot(granulo,xc=1,hist=TRUE,cum=TRUE,main="Grain-size Distribution",
			col.hist="gray",col.cum="red")


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