Calculate 40Ar/39Ar ages

Description

Calculate 40Ar/39Ar ages from a vector of 40Ar/39Ar-ratios and J-factors

Usage

getages(RJ)

Arguments

Value

an object of class results containing the ages and their covariance matrix

Examples

data(Melbourne)
R <- get4039(Melbourne$X,Melbourne$irr)
J <- getJfactors(R)
ages <- getages(J)
plotcorr(ages)

Results

R version 3.3.1 (2016-06-21) -- "Bug in Your Hair"
Copyright (C) 2016 The R Foundation for Statistical Computing
Platform: x86_64-pc-linux-gnu (64-bit)

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> library(ArArRedux)
> png(filename="/home/ddbj/snapshot/RGM3/R_CC/result/ArArRedux/getages.Rd_%03d_medium.png", width=480, height=480)
> ### Name: getages
> ### Title: Calculate 40Ar/39Ar ages
> ### Aliases: getages
> 
> ### ** Examples
> 
> data(Melbourne)
> R <- get4039(Melbourne$X,Melbourne$irr)
> J <- getJfactors(R)
> ages <- getages(J)
> plotcorr(ages)
Warning message:
In stats::cov2cor(X$covmat) :
  diag(.) had 0 or NA entries; non-finite result is doubtful
> 
> 
> 
> 
> 
> dev.off()
null device 
          1 
>