Data visualization | vis.zone

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A histogram is a chart that groups numeric data into bins, displaying the bins as segmented columns. They’re used to depict the distribution of a dataset: how often values fall into ranges. The histogram was first introduced by Karl Pearson.
To construct a histogram, the first step is to bin the range of values, and then count how many values fall into each interval. A rectangle is drawn with height proportional to the count and width equal to the bin size, so that rectangles abut each other.

Histogram

A Radial or Circular Histogram is used for displaying the circular data, which involves the wrapping of the usual histogram around a circle. Each bar in the histogram is centered at the middle of the group period with the length of the bar proportional to the frequency in the group.

Radial Histogram

The spiral histogram also called a condegram is a histogram , but with a timeline along a spiral shape. The spiral design makes it possible to compare cycles, but keeping the continuous timeline along the spiral.

Spiral Histogram

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