(of a distribution) having kurtosis B2 less than 3, less heavily concentrated about the mean than a normal distribution
Compare leptokurtic, mesokurtic
Word origin
C20: from platy- + Greek kurtos arched, bulging + -ic
platykurtic in American English
(ˌplætɪˈkɜːrtɪk)
adjective Statistics
1. (of a frequency distribution)
less concentrated about the mean than the corresponding normal distribution
2. (of a frequency distribution curve)
having a wide, rather flat distribution about the mode
Word origin
[1900–05; platy- + kurt- (irreg. ‹ Gk kyrtós bulging, swelling) + -ic]This word is first recorded in the period 1900–05. Other words that entered Englishat around the same time include: Young Turk, desensitize, elder statesman, geopolitics, hormoneplaty- is a combining form meaning “flat,” “broad,” used in the formation of compound words.Other words that use the affix platy- include: platycephalic, platypod, platypus, platyrrhine; -ic is a suffix forming adjectives from other parts of speech, occurring originally inGreek and Latin loanwords (metallic; poetic; archaic; public) and, on this model, used as an adjective-forming suffix with the particular senses“having some characteristics of” (opposed to the simple attributive use of the basenoun) (balletic; sophomoric); “in the style of” (Byronic; Miltonic); “pertaining to a family of peoples or languages” (Finnic; Semitic; Turkic)
Examples of 'platykurtic' in a sentence
platykurtic
The data presented positive coefficients of skewness and platykurtic kurtosis.
Rodrigo Gregório da Silva, José Neuman Miranda Neiva, Antonio Clementino dos Santos,Magno José Duarte Cândido, Antonio Luiz Dias Sousa, Marcos Neves Lopes, Rafael deOliveira da Silva, Leovegildo Caldas Carneiro 2013, 'Spatial distribution of feces and estimates of nitrogen return by dairy cows on mombasagrass pastures', Revista Brasileira de Zootecniahttp://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982013000500010. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
For the other two locations, the distribution was platykurtic.
Dione Pereira Cardoso, Fábio Ribeiro Pires, Robson Bonomo 2016, 'Avaliação de modelos matemáticos para estimativa da erosividade da chuva na regiãode São Mateus-ES', Revista Verde de Agroecologia e Desenvolvimento Sustentávelhttp://www.gvaa.com.br/revista/index.php/RVADS/article/view/4132. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
In addition, sediments in the deep area (>50 m) tend to be poorly sorted, very fine skewed, and platykurtic.
Wan Zabidii Wan Morni, Siti Akmar Khadijah Ab Rahim, Tarmiji Masron, Richard Rumpet,Jamil Musel, Ruhana Hassan 2017, 'Continental Shelf Sediments of Sarawak, Malaysian Borneo', The Scientific World Journalhttp://dx.doi.org/10.1155/2017/4853048. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)