The default color is yellow for all of the bars in a histogram. To make color a response variable in the graph, you can specify a numeric variable whose values are indexed into the defined color range ...
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What is a histogram, and how do you use it?
No matter what type(s) of photography you like to pursue, mastering exposure is key to creating successful images. While it can be tempting to use your camera's screen to judge exposure, that display ...
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