![]() ![]() ![]() ![]() Furthermore, ROOT supports building histograms from weighted data sets, which are very common in HEP, it provides the functionality to compute summary statistics information from the histograms input data, such as They can be used for continuos data in one or multi dimensions, they can represent integer data and they can also be used to display categorical data, suchĪs bar charts. ROOT provides a rich set of functionality to work with histograms. For a detailedÄescription of what is an histogram, see the corresponding page in Wikipedia. Histograms can be used to visualize your data, by being an approximation to the underlying data density distribution, and they can be used also as a powerful form of data reduction. Histograms are approximate representations of the distribution of numerical data and they play a fundamental role in any kind of physical analysis. Adding, multiplying and dividing histograms.Filling a histogram with random numbers.Filling a histogram with vector input data. ![]()
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