scholarly journals A Delayed Yule Process

2017 ◽  
Vol 146 (3) ◽  
pp. 1335-1346 ◽  
Author(s):  
Radu Dascaliuc ◽  
Nicholas Michalowski ◽  
Enrique Thomann ◽  
Edward C. Waymire
Keyword(s):  

1987 ◽  
Vol 25 ◽  
pp. 309-314 ◽  
Author(s):  
Paul Joyce ◽  
Simon Tavaré
Keyword(s):  


2014 ◽  
Author(s):  
Krzysztof Bartoszek ◽  
Serik Sagitov

We consider a stochastic evolutionary model for a phenotype developing amongst n related species with unknown phylogeny. The unknown tree is modelled by a Yule process conditioned on n contemporary nodes. The trait value is assumed to evolve along lineages as an Ornstein-Uhlenbeck process. As a result, the trait values of the n species form a sample with dependent observations. We establish three limit theorems for the sample mean corresponding to three domains for the adaptation rate. In the case of fast adaptation, we show that for large n the normalized sample mean is approximately normally distributed. Using these limit theorems, we develop novel confidence interval formulae for the optimal trait value.



1973 ◽  
Vol 14 (3) ◽  
pp. 277-281 ◽  
Author(s):  
B. Raja Rao ◽  
Sati Mazumdar ◽  
C. C. Li


Author(s):  
Chin Long Chiang
Keyword(s):  




2015 ◽  
Vol 52 (04) ◽  
pp. 1115-1132 ◽  
Author(s):  
Krzysztof Bartoszek ◽  
Serik Sagitov

We consider a stochastic evolutionary model for a phenotype developing amongst n related species with unknown phylogeny. The unknown tree is modelled by a Yule process conditioned on n contemporary nodes. The trait value is assumed to evolve along lineages as an Ornstein-Uhlenbeck process. As a result, the trait values of the n species form a sample with dependent observations. We establish three limit theorems for the sample mean corresponding to three domains for the adaptation rate. In the case of fast adaptation, we show that for large n the normalized sample mean is approximately normally distributed. Using these limit theorems, we develop novel confidence interval formulae for the optimal trait value.





2019 ◽  
Vol 1 (2) ◽  
pp. 53-59
Author(s):  
Ferawaty Puspitorini

The study concerned with discussing about slang words used in Bruno Mars song lyrics. The research design of this study is descriptive qualitative method. In this study, the theory of word-formation process by George Yule process (1986) in his book “the study of language” is used to analyze the formation process of each slang word. The researcher only analyzes five in Bruno Mars song lyrics. They are count on me, show me, the lazy song, liquor store blues and just the way you are. There are consists of two research problem : (1) what is the type of slang word used by Bruno Mars in lyrics, (2) what is the dominant slang word found in Bruno Mars song lyrics. The data were document analysis, the research tried to find and identity the slang word in lyric by marking, finding and analyzing the slang word. The result shows that from 58 data taken, not all process of slang-word formation appear in the lyrics. Five process of slang-word formation found in the lyrics. The process of slang word formation that are used in the lyrics are clipping(160%), blending(120%), coinage(80%), borrowing(0%), and acronym(60%).  



1975 ◽  
Vol 16 (2) ◽  
pp. 74-84
Author(s):  
B. R. Rao ◽  
S. Mazumdar


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