Data/hora: 13/06/2024 08:17:36

Biblioteca(s): | Embrapa Meio-Norte.
Data corrente: | 02/07/1997
Data da última atualização: | 02/07/1997
Autoria: | GUTIERREZ, R. G.; CARROLL, R. J.; WANG, N.; LEE, G.-E.; TAYLOR, B. H.
Título: | Analysis of tomato root initiation using a normal mixture distribution.
Ano de publicação: | 1995
Fonte/Imprenta: | Biometrics, v. 51, n. 4, p. 1461-1468, 1995.
Idioma: | Inglês
Conteúdo: | We attempt to identify the number of underlying physical phenomena behind tomato lateral root initation by using a normal mixture distribution coupled with the Box-Cox power transformation. An initial analysis of the data suggested the possibility of two (possibly more) subpopulations, but upon taking reciprocals, the data appear to be very nearly Gaussian. A simulation study explore the possibility of erroneously detecting a second subpopulation by fiting data which are improperly scaled. A power calculation suggests that only unrealistically large sample sizes can detect the unbalanced mixtures one might expect with data of this type.
Palavras-Chave: | Box-Cox transformation; Experimentacao; Likelihood ratio test; Normal mixture.
Thesagro: | Tomate.
Thesaurus Nal: | cluster analysis.
Categoria do assunto: | --
Registro original: | Embrapa Meio-Norte (CPAMN)
Exemplares: | CPAMN - (3313-1) - ADC - SP - -- - S 10896 -  - S 10896 - DIS