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Journal of Korean Society for Quality Management > Volume 18(2); 1990 > Article
Journal of Korean Society for Quality Management 1990;18(2): 127-.
Problems Occurred with Histogram and a Resolution
ABSTRACT
In this article, several problems inherent in histogram estimate of unknown probability density function are discussed. Those include so called sharp comers and bin edge effect. A resolution for these problems occurred with histogram is discussed. The resulting estimate is called kernel density estimate which is most widely used by data analysts. One of the most recent and reliable data-based choices of scale factor (bandwidth) of the estimate, which has been known to be most crucial, is also discussed.
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