pfMinMax: MiniMax transformation of a charcoal serie
In paleofire: Analysis of Charcoal Records from the Global Charcoal Database

Description Usage Arguments Value Author(s) See Also Examples

MiniMax transformation of a charcoal serie

1	pfMinMax(serie)

serie

Numeric, a vector of charcoal values.

out

A vector of minimax transformed values.

O. Blarquez

pfTransform

## Retrieve a site
ID=pfSiteSel(site_name=="Pas-de-Fond")
## Or a group of sites
ID=pfSiteSel(continent=="Africa")

## Extract data
A=pfExtract(ID)

## Plot the first site raw charcoal data
par(mfrow=c(1,2))
plot(A[A[,1]==ID$id_site[1],3],A[A[,1]==ID$id_site[1],4],type="l",main=ID$site_name[1],
     xlab="Age",ylab="raw Char")
## Minimax transformation
B=pfMinMax(A[A[,1]==ID$id_site[1],4])
## Plot the first site Minimax transformed charcoal data
plot(A[A[,1]==ID$id_site[1],3],B,type="l",main=ID$site_name[1],
     xlab="Age",ylab="Minimax")