kubovy08.R

#
# kubovy08.R, 26 Aug 20
# Data from:
# The Whole Is Equal to the Sum of Its Parts: {A} Probabilistic Model of Grouping by Proximity and Similarity in Regular Patterns
# Michael Kubovy and Martin {van den Berg}
#
# Example from:
# Evidence-based Software Engineering: based on the publicly available data
# Derek M. Jones
#
# TAG experiment_human perception_vision clustering_visual


source("ESEUR_config.r")


plot_layout(1, 1, default_height=12)
par(mar=c(1, 1, 1, 0))


plot_sym=function(x_start, y, number, color, shape)
{
tri_off=ifelse(shape == triangle, 0.03, 0)

points(x_start:(x_start+number-1), rep(y-tri_off, number), col=color, pch=shape, cex=4)
}


box=15
triangle=17

plot(0, type="n", bty="n", xaxt="n", yaxt="n", xaxs="i", yaxs="i",
	xlim=c(0.7, 7.9), ylim=c(0.25, 7.3),
	xlab="", ylab="")

plot_sym(1, 7, 4, "green", box)
plot_sym(5.5, 7, 3, "green", box)
text(4, 6.8, "Grouping by proximity", pos=1)

plot_sym(1, 6, 3, "red", box)
plot_sym(4, 6, 1, "green", box)
plot_sym(5.5, 6, 3, "green", box)
text(4, 5.8, "Grouping by color similarity vs grouping by proximity", pos=1)

plot_sym(1, 5, 3, "green", triangle)
plot_sym(4, 5, 1, "green", box)
plot_sym(5.5, 5, 3, "green", box)
text(4, 4.8, "Grouping by shape similarity vs grouping by proximity", pos=1)

plot_sym(1, 4, 4, "green", box)
plot_sym(5, 4, 3, "red", box)
text(4, 3.8, "Grouping by color similarity", pos=1)

plot_sym(1, 3, 4, "green", box)
plot_sym(5, 3, 3, "green", triangle)
text(4, 2.8, "Grouping by shape similarity", pos=1)

plot_sym(1, 2, 3, "green", triangle)
plot_sym(4, 2, 1, "green", box)
plot_sym(5, 2, 3, "red", box)
text(4, 1.8, "Grouping by color similarity vs grouping by shape similarity", pos=1)

plot_sym(1, 1, 3, "green", triangle)
plot_sym(4, 1, 1, "green", box)
plot_sym(5.5, 1, 3, "red", box)
text(4, 0.8, "Grouping by proximity & color similarity vs\ngrouping by shape similarity", pos=1)