plate9: Ishihara plate #9
In liamrevell/ishihara: Ishihara color-vision test

Ishihara plate #9. People with normal color vision show see the number 74 when plotted.

1	data(plate2)

Object of custom object class "ishihara".

Source here.

	data(plate9)
	plate9
	plot(plate9)
	print(plate9,alpha=0.2)

liamrevell/ishihara documentation built on Oct. 27, 2019, 3:10 p.m.

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