Histogram

As of Version 7.0, Histogram is part of the built-in Wolfram Language kernel.

Histogram[{x₁,x₂,…}]

generates a histogram of the univariate data {x₁,x₂,…}.

Histogram[{f₁,f₂,…},FrequencyData->True]

generates a histogram of the univariate frequency data {f₁,f₂,…}, where f_i is the frequency with which the original data occurs in category i.

Details and Options

To use Histogram, you first need to load the Histograms Package using Needs["Histograms`"].
The width of each bar in the histogram is proportional to the width of the interval defining the respective category.
The area of each bar in the histogram is proportional to the frequency with which the data falls in that category.
The following options can be given:

ApproximateIntervals	Automatic	whether to adjust the interval boundaries to be simple numbers
BarOrientation	Vertical	how to arrange the bars
BarEdgeStyle	GrayLevel[0]	style of the edges of bars
BarStyle	Automatic	style of the faces of bars
FrequencyData	False	whether input represents the original data or frequencies in categories
HistogramCategories	Automatic	specify categories in the histogram
HistogramRange	Automatic	lower and upper limits of points in histogram
HistogramScale	Automatic	scaling of the bar heights
Ticks	Automatic	specify tick marks for axes

Histogram of 1000 normally distributed random numbers:

Histogram of 1000 uniformly distributed random numbers:

Histogram from a list of frequencies:

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