Fossil data

Description

The fossil data frame has 106 observations on fossil shells.

Usage

data(fossil)

Format

This data frame contains the following columns:

age

age in millions of years

strontium.ratio

ratios of strontium isotopes

Source

Bralower, T.J., Fullagar, P.D., Paull, C.K., Dwyer, G.S. and Leckie, R.M. (1997). Mid-cretaceous strontium-isotope stratigraphy of deep-sea sections. Geological Society of America Bulletin, 109, 1421-1442.

References

Ruppert, D., Wand, M.P. and Carroll, R.J. (2003)
Semiparametric Regression Cambridge University Press.
http://stat.tamu.edu/~carroll/semiregbook/

Examples

library(SemiPar)
data(fossil)
attach(fossil)
plot(age,strontium.ratio)

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)

R is free software and comes with ABSOLUTELY NO WARRANTY.
You are welcome to redistribute it under certain conditions.
Type 'license()' or 'licence()' for distribution details.

R is a collaborative project with many contributors.
Type 'contributors()' for more information and
'citation()' on how to cite R or R packages in publications.

Type 'demo()' for some demos, 'help()' for on-line help, or
'help.start()' for an HTML browser interface to help.
Type 'q()' to quit R.

> library(SemiPar)
> png(filename="/home/ddbj/snapshot/RGM3/R_CC/result/SemiPar/fossil.Rd_%03d_medium.png", width=480, height=480)
> ### Name: fossil
> ### Title: Fossil data
> ### Aliases: fossil
> ### Keywords: datasets
> 
> ### ** Examples
> 
> library(SemiPar)
> data(fossil)
> attach(fossil)
> plot(age,strontium.ratio)
> 
> 
> 
> 
> 
> dev.off()
null device 
          1 
>