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EPA.09.Ex.14.8.df: Analyte Concentrations from Example 14-8 of 2009 USEPA Guidance Document

Description

Monthly unadjusted and adjusted analyte concentrations over a 3-year period. Adjusted concentrations are computed by subtracting the monthly mean and adding the overall mean.

Usage

EPA.09.Ex.14.8.df

Arguments

Format

A data frame with 36 observations on the following 4 variables.

Month

a factor indicating the month of collection

Year

a numeric vector indicating the year of collection

Unadj.Conc

a numeric vector of unadjusted concentrations

Adj.Conc

a numeric vector adjusted concentrations