MissingStyle
is an option for GeoRegionValuePlot that specifies how locations with missing data should be displayed.
Details
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Examples
Wolfram Research (2014), MissingStyle, Wolfram Language function, https://reference.wolfram.com/language/ref/MissingStyle.html.
Text
Wolfram Research (2014), MissingStyle, Wolfram Language function, https://reference.wolfram.com/language/ref/MissingStyle.html.
CMS
Wolfram Language. 2014. "MissingStyle." Wolfram Language & System Documentation Center. Wolfram Research. https://reference.wolfram.com/language/ref/MissingStyle.html.
APA
Wolfram Language. (2014). MissingStyle. Wolfram Language & System Documentation Center. Retrieved from https://reference.wolfram.com/language/ref/MissingStyle.html