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Knowledge Discovery from Data Streams
book

Knowledge Discovery from Data Streams

by Joao Gama
May 2010
Intermediate to advanced content levelIntermediate to advanced
255 pages
8h 11m
English
Chapman and Hall/CRC
Content preview from Knowledge Discovery from Data Streams
Chapter 4
Maintaining Histograms from Data
Streams
Histograms are one of the most used tools in exploratory data analysis. They
present a graphical representation of data, providing useful information about
the distribution of a random variable. Histograms are widely used for density
estimation. They have been used in approximate query answering, in process-
ing massive datasets, to provide a quick but faster answer with error guaran-
tees. In this chapter we present representative algorithms to learn histograms
from data streams and its application in data mining.
4.1 Introduction
A histogram is visualized as a bar graph that shows frequency data. The ...
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Publisher Resources

ISBN: 9781439826126