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diff --git a/man/set_nd_nq.Rd b/man/set_nd_nq.Rd deleted file mode 100644 index 7135d0d..0000000 --- a/man/set_nd_nq.Rd +++ /dev/null @@ -1,103 +0,0 @@ -% Generated by roxygen2: do not edit by hand -% Please edit documentation in R/set_nd_nq.R -\name{set_nd_nq} -\alias{set_nd_nq} -\alias{set_nd_nq_focus} -\title{Set non-detects and unquantified values in residue series without replicates} -\usage{ -set_nd_nq(res_raw, lod, loq = NA, time_zero_presence = FALSE) - -set_nd_nq_focus( - res_raw, - lod, - loq = NA, - set_first_sample_nd = TRUE, - first_sample_nd_value = 0, - ignore_below_loq_after_first_nd = TRUE -) -} -\arguments{ -\item{res_raw}{Character vector of a residue time series, or matrix of -residue values with rows representing depth profiles for a specific sampling -time, and columns representing time series of residues at the same depth. -Values below the limit of detection (lod) have to be coded as "nd", values -between the limit of detection and the limit of quantification, if any, have -to be coded as "nq". Samples not analysed have to be coded as "na". All -values that are not "na", "nd" or "nq" have to be coercible to numeric} - -\item{lod}{Limit of detection (numeric)} - -\item{loq}{Limit of quantification(numeric). Must be specified if the FOCUS rule to -stop after the first non-detection is to be applied} - -\item{time_zero_presence}{Do we assume that residues occur at time zero? -This only affects samples from the first sampling time that have been -reported as "nd" (not detected).} - -\item{set_first_sample_nd}{Should the first sample be set to "first_sample_nd_value" -in case it is a non-detection?} - -\item{first_sample_nd_value}{Value to be used for the first sample if it is a non-detection} - -\item{ignore_below_loq_after_first_nd}{Should we ignore values below the LOQ after the first -non-detection that occurs after the quantified values?} -} -\value{ -A numeric vector, if a vector was supplied, or a numeric matrix otherwise -} -\description{ -This function automates replacing unquantified values in residue time and -depth series. For time series, the function performs part of the residue -processing proposed in the FOCUS kinetics guidance for parent compounds -and metabolites. For two-dimensional residue series over time and depth, -it automates the proposal of Boesten et al (2015). -} -\section{Functions}{ -\itemize{ -\item \code{set_nd_nq_focus}: Set non-detects in residue time series according to FOCUS rules -}} - -\examples{ -# FOCUS (2014) p. 75/76 and 131/132 -parent_1 <- c(.12, .09, .05, .03, "nd", "nd", "nd", "nd", "nd", "nd") -set_nd_nq(parent_1, 0.02) -parent_2 <- c(.12, .09, .05, .03, "nd", "nd", .03, "nd", "nd", "nd") -set_nd_nq(parent_2, 0.02) -set_nd_nq_focus(parent_2, 0.02, loq = 0.05) -parent_3 <- c(.12, .09, .05, .03, "nd", "nd", .06, "nd", "nd", "nd") -set_nd_nq(parent_3, 0.02) -set_nd_nq_focus(parent_3, 0.02, loq = 0.05) -metabolite <- c("nd", "nd", "nd", 0.03, 0.06, 0.10, 0.11, 0.10, 0.09, 0.05, 0.03, "nd", "nd") -set_nd_nq(metabolite, 0.02) -set_nd_nq_focus(metabolite, 0.02, 0.05) -# -# Boesten et al. (2015), p. 57/58 -table_8 <- matrix( - c(10, 10, rep("nd", 4), - 10, 10, rep("nq", 2), rep("nd", 2), - 10, 10, 10, "nq", "nd", "nd", - "nq", 10, "nq", rep("nd", 3), - "nd", "nq", "nq", rep("nd", 3), - rep("nd", 6), rep("nd", 6)), - ncol = 6, byrow = TRUE) -set_nd_nq(table_8, 0.5, 1.5, time_zero_presence = TRUE) -table_10 <- matrix( - c(10, 10, rep("nd", 4), - 10, 10, rep("nd", 4), - 10, 10, 10, rep("nd", 3), - "nd", 10, rep("nd", 4), - rep("nd", 18)), - ncol = 6, byrow = TRUE) -set_nd_nq(table_10, 0.5, time_zero_presence = TRUE) -} -\references{ -Boesten, J. J. T. I., van der Linden, A. M. A., Beltman, W. H. -J. and Pol, J. W. (2015). Leaching of plant protection products and their -transformation products; Proposals for improving the assessment of leaching -to groundwater in the Netherlands — Version 2. Alterra report 2630, Alterra -Wageningen UR (University & Research centre) - -FOCUS (2014) Generic Guidance for Estimating Persistence and Degradation - Kinetics from Environmental Fate Studies on Pesticides in EU Registration, Version 1.1, - 18 December 2014, p. 251 -} |