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How to make Quilt plots in Graph Builder?

BHarris

I often find myself trying to make "quilt" plots (see attached) using Graph Builder, but the only way I can find to do it is to make very large square-markered dots in the points plot, then try to resize the plot window perfectly and hope that it doesn't reset the marker settings in the process.

Is there a better way to make plots like this?

quilt-plot.png

Accepted answers

gzmorgan0

@BHarris,

Z can be specified as color. I changed 2 to -2, see the screenshot below.

All comments

txnelson

Here are a couple of ideas on how you can do this using graph builder and Shape Maps. I have attached the -xy and -name files, along with the two data versions of the data file used to populate the maps. You will need to do some learning on using custom maps, but it isn't difficult.

Jim, @txnelson , provided you with a solution. Another option is to change points to a Heat Map.

You have less control of the color with this option; map shapes are not required.

Graph Builder(
	Variables( X( :x ), Y( :y ), Frequency( :z ) ),
	Elements( Heatmap( X, Y, Legend( 10 ) ) )
);

BHarris

This took me awhile to figure out what it was doing ... so the "Freq" box uses the variable "z" to indicate "how many times" a combination, e.g. green/b, shows up? Then the legend shows you that count?

Also, am I right that frequency can't be negative here?

gzmorgan0

@BHarris,

Z can be specified as color. I changed 2 to -2, see the screenshot below.

BHarris

While I think the heat-plot is closer to what I was looking for, the maps suggestion made me look into maps which have a pretty elegant implementation, and I'm excited to use them elsewhere. Thanks for the tip!!