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+\name{nafta}
+\alias{nafta}
+\title{
+Evaluate parent kinetics using the NAFTA guidance
+}
+\usage{
+nafta(ds, title = NA, quiet = FALSE)
+}
+\description{
+  The function fits the SFO, IORE and DFOP models using
+  \code{\link{mmkin}} and returns an object of class
+  \code{nafta} that has methods for printing and plotting.
+}
+\arguments{
+  \item{ds}{
+    A dataframe that must contain one variable called "time" with the time
+    values specified by the \code{time} argument, one column called "name" with
+    the grouping of the observed values, and finally one column of observed
+    values called "value".
+  }
+  \item{title}{ Optional title of the dataset }
+  \item{quiet}{ Should the evaluation text be shown? }
+}
+\value{
+  An list of class \code{nafta}. The list element named "mmkin" is the
+  \code{\link{mmkin}} object containing the fits of the three models.
+  The list element named "title" contains the title of the dataset used.
+  The list element "data" contains the dataset used in the fits.
+}
+\source{
+  NAFTA (2011) Guidance for evaluating and calculating degradation kinetics
+  in environmental media. NAFTA Technical Working Group on Pesticides
+  \url{https://www.epa.gov/pesticide-science-and-assessing-pesticide-risks/guidance-evaluating-and-calculating-degradation}
+  accessed 2019-02-22
+
+  US EPA (2015) Standard Operating Procedure for Using the NAFTA Guidance to
+  Calculate Representative Half-life Values and Characterizing Pesticide
+  Degradation
+  \url{https://www.epa.gov/pesticide-science-and-assessing-pesticide-risks/standard-operating-procedure-using-nafta-guidance}
+}
+\examples{
+  nafta_evaluation <- nafta(MRID_555555)
+  print(nafta_evaluation)
+  plot(nafta_evaluation)
+}
+\author{
+  Johannes Ranke
+}