diff options
Diffstat (limited to 'R/set_nd.R')
| -rw-r--r-- | R/set_nd.R | 10 |
1 files changed, 7 insertions, 3 deletions
@@ -1,5 +1,5 @@ #' Set non-detects in residue series without replicates - +#' #' Sets non-detects directly before or directly after detects to NA. Values between #' lod and loq are set to their mean value if an loq is specified. #' If 'time_zero' is set to TRUE, the residue series is assumed to start with time @@ -9,7 +9,7 @@ #' If stopping after the first non-detection is requested, as in in the FOCUS #' variant of the function, an loq has to be specified in order to decide #' if any later detections are above the loq. - +#' #' @param r A character vector of sequential residues without replicates, with #' non-detects specified as 'nd' and unquantified values above the limit of #' detection specified as 'nq', otherwise coercible to numeric @@ -19,9 +19,13 @@ #' @param time_zero Is the first value in the series a time zero value? #' @param time_zero_nd_value Which value should we use for non-detects at time zero? #' @param stop_after_first_nondetect Should we really stop after the first non-detection? -#' @references FOCUS (2014) p. 75, 76, 131, 132 +#' @references 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 +#' @describeIn set_nd Set non-detects in residues series #' @export #' @examples +#' # FOCUS (2014) p. 75/76 and 131/132 #' parent_1 <- c(.12, .09, .05, .03, "nd", "nd", "nd", "nd", "nd", "nd") #' set_nd(parent_1, 0.02) #' parent_2 <- c(.12, .09, .05, .03, "nd", "nd", .03, "nd", "nd", "nd") |