#--------------------------------------------------------------------------------------------------
#--------------------------------------------------------------------------------------------------
getMetaLevelAvgPerformancePlot = function (data, df.stats) {
# -------------------------
# main plot
# -------------------------
g = ggplot(data = data, mapping = aes(x = algo, y = avgAuc, fill = Setup,
group = Setup, colour = Setup, shape = Setup, linetype = Setup))
g = g + geom_line() + geom_point()
g = g + geom_hline(yintercept = 0.5, colour = "black", linetype = "dotted")
g = g + geom_ribbon(aes(ymin=avgAuc-sdAuc, ymax=avgAuc+sdAuc), alpha = 0.15, colour=NA)
g = g + facet_grid(.~task) + theme_bw()
g = g + scale_shape_manual(values = CUSTOM.SHAPES)
g = g + scale_colour_manual(values = LOCAL.COLOR)
g = g + scale_fill_manual(values = LOCAL.COLOR)
g = g + labs(color="Meta-features", fill="Meta-features", shape="Meta-features",
linetype="Meta-features")
g = g + labs(x = "Meta-learners", y = "Average AUC")
g = g + theme(axis.text.x = element_text(angle = 90, vjust = .5, hjust = 1, size = 7))
# -------------------------
# adding statistical results
# -------------------------
# Best for each scenario
df.stats$Setup = NA
# -------------------------
# situations when using all the features is statistically better (good)
# -------------------------
ids.all = which(df.stats$Best == "all" & df.stats$stats == "TRUE")
g = g + geom_point(data = df.stats[ids.all, ],
aes(x = algo, y = 0.4),
size = 1, colour = "darkgreen",
fill = "darkgreen",shape = 24, Setup = NA)
# -------------------------
# situations when using all the features is not statistically worse (good)
# -------------------------
ids.other = which(df.stats$Best != "all" & df.stats$stats == "TRUE")
g = g + geom_point(data = df.stats[ids.other,],
aes(x = algo, y = 0.4), size = 1, colour = "red",
fill = "red",shape = 25, Setup = NA)
return(g)
}
#--------------------------------------------------------------------------------------------------
#--------------------------------------------------------------------------------------------------
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