# (C) Copyright 2017 Sur Herrera Paredes
#
# This file is part of wheelP.
#
# wheelP is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# wheelP is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with wheelP. If not, see <http://www.gnu.org/licenses/>.
#' Test AUC
#'
#' Tests area under the curve for a set of
#' strains
#'
#' Assumes same number of timepoints per growth curve
#'
#' @param Dat A data.frame with the same columns as \link{All.filtered}
#' @param thres q-value threshold for significance
#'
#' @export
test_auc <- function(Dat, thres = 0.05){
# Dat <- All.filtered
RES <- NULL
for(strain in unique(Dat$Strain)){
#strain <- unique(Dat$Strain)[1]
# strain <- "113"
# Get strain data and calculate AUD
Dat.strain <- subset(Dat, Strain == strain)
Dat.strain <- aggregate(OD600 ~ rep + condition,
FUN = sum, data = Dat.strain)
f1 <- OD600 ~ condition
test <- TukeyHSD(aov(f1, data = Dat.strain))$condition
Res <- data.frame(Strain = strain,
comparison = row.names(test),
difference = test[,"diff"], qval = test[,"p adj"])
row.names(Res) <- NULL
RES <- rbind(RES,Res)
}
RES$significant <- "no"
RES$significant[ RES$qval < thres ] <- "yes"
return(RES)
}
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