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 ...

Histograms are often useful tools for analyzing digital data. To get reliable results from a histogram, though, you must collect large amounts of data, often with 100,000 to 1 million points. If you ...

How histograms can help you control key factors that affect exposure levels. Correct exposures are the first step towards usable image files and the histogram displays provided in most digital cameras ...

Last week’s post, “A Histogram is NOT a Bar Chart ”, explained that bar charts were used for comparing categorical variables and that histograms were used to show the distributions of binned ...

The simplest histogram displays a two-dimensional visualization of a single variable. For example, the following histogram shows the frequency for the single variable Age, specified for the X axis.

The data in a histogram are usually divided into bins that define the values ranges represented by each bar in the histogram. For example, if the data contain a range of ages from 1 to 80, and the ...