| 单词 | kurtosis |
| 释义 | kurtosis[ kur-toh-sis ] / kɜrˈtoʊ sɪs / noun Statistics.the state or quality of flatness or peakedness of the curve describing a frequency distribution in the region about its mode. Origin of kurtosis1900–05; irregular transliteration of Greek kýrtōsis curvature. See cyrtosis Words nearby kurtosiskurrajong, kursaal, Kursk, Kurt, kurta, kurtosis, kuru, Kurukh, Kurume, Kurunegala, kurus Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for kurtosiskurtosis / (kəˈtəʊsɪs) / nounstatistics a measure of the concentration of a distribution around its mean, esp the statistic B 2 = m 4 / m 2 ² where m 2 and m 4 are respectively the second and fourth moment of the distribution around the mean. In a normal distribution B 2 = 3See also platykurtic, mesokurtic, leptokurtic Compare skewness Word Origin for kurtosisfrom Greek: curvature, from kurtos arched Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Scientific definitions for kurtosiskurtosis [ kər-tō′sĭs ] The general form or a quantity indicative of the general form of a statistical frequency curve near the mean of the distribution. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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