A reader need go no further than page two of Leland Wilkinson’s The Grammar of Graphics before reading, “We will also come to realize why a histogram is not a bar chart and why many other graphics ...
A frequency diagram is a type of graph used to represent a continuous set of grouped data. First, identify the largest frequency. The largest frequency is 12. Therefore, the scale on the vertical axis ...
It’s easy to set exposure by eye. We’ve all done it. The problem is that the electronic viewfinder or LCD screen on your camera does not show a 100% accurate representation of what the sensor is ...
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