#=========================================================================#
#
# -------------------- SIMULATE N.REP DATASETS ---------------------------#
#
# -------------------[with attribute interactions]------------------------#
#
#=========================================================================#
for (repi in (1:n.rep)){
if (letsSimulate == TRUE){
if (is.main){ # make this main effect sim if TRUE
sim.data <- createSimulation(num.samples = n.samp,
num.variables = num.attr,
pct.signals = pct.signals,
pct.train = 1 / 2,
pct.holdout = 1 / 2,
# pct.validation = 1 /3,
bias = bias,
sim.type = "mainEffect",
verbose = FALSE)
} else { # interaction simulation
sim.data <- createSimulation(num.samples = n.samp,
num.variables = num.attr,
pct.signals = pct.signals,
pct.train = 1 / 2,
pct.holdout = 1 / 2,
bias = bias,
# pct.validation = 1 /3,
#meanExpression = 7, A = NULL, randSdNoise = 1, sdNoise = 0.4,
sim.type = "interactionErdos", # interactionScalefree
verbose = FALSE)
}
dat <- rbind(sim.data$train, sim.data$holdout)
} else {
dat <- read.csv("simulatedInte.csv")
}
dat[, class.lab] <- as.factor(dat[, class.lab])
pheno.class <- dat[, class.lab]
predictors.mat <- dat[, - which(colnames(dat) == class.lab)]
attr.names <- colnames(predictors.mat)
num.samp <- nrow(dat)
neighbor.idx <- find.neighbors(predictors.mat, method = RF.method, pheno.class, k = k)
if (writeData == TRUE){
write.csv(dat, file = paste("data/ARF_compare", repi, RF.method, bias, "bias",
ifelse(RF.method == "relieff", k, "No"), "k",
pct.signals, "pct.signals",
num.attr, "num.attr", num.samp, "num.samp.csv", sep = "_"))
}
}
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