Time Series of Macroinvertabrates Abundance in the Arkansas River.

Description

A time series of 16 years (5 replicates per year) of mayfly (Ephemeroptera:Heptageniidae) abundance in the fall at the monitoring station AR1.

Usage

data(Arkansas)

Format

A data frame with 90 observations on the following 2 variables.

year

a numeric vector

sqrt.mayflies

a numeric vector of abundance values

Source

Sonderegger, D.L., Wang, H., Clements, W.H., and Noon, B.R. 2009. Using SiZer to detect thresholds in ecological data. Frontiers in Ecology and the Environment 7:190-195.

Examples

data(Arkansas)
plot(Arkansas)

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(SiZer)
Loading required package: splines
Loading required package: boot
> png(filename="/home/ddbj/snapshot/RGM3/R_CC/result/SiZer/Arkansas.Rd_%03d_medium.png", width=480, height=480)
> ### Name: Arkansas
> ### Title: Time Series of Macroinvertabrates Abundance in the Arkansas
> ###   River.
> ### Aliases: Arkansas
> ### Keywords: datasets
> 
> ### ** Examples
> 
> data(Arkansas)
> plot(Arkansas)
> 
> 
> 
> 
> 
> dev.off()
null device 
          1 
>