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Personal bibliography of
Kenneth Willcox Wachter
[ CalNetDS
- MGP
- MathScinet
]
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Found 2 works with YEAR equal to " 1979"
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E.A. Hammel, C.K. McDaniel and K.W. Wachter
Demographic consequences of incest tabus: A microsimulation analysis
Science 205, 972--977 (1979).
[GScholar?]
[DOI]
[BibTeX]
Abstract: Theories of incest tabus usually stress the psychosocial advantages of marriage regulation. But marriage regulation may produce delays in mating and thus loss of fertility to a population. Computer microsimulation experiments measure the amount of fertility that must be achieved outside a normatively specified marriage system in order to keep population constant. This amount varies directly with scope of tabu and inversely with population size. For populations of hundreds it is negligible, but for populations of dozens it can be very great. In the latter, flexibility of marital arrangements may permit maintenance of fertility without repeated revision of rules of marriage.
@article{HAMMEL:1979:DCOIPA,
AUTHOR = {Hammel, E.A. and McDaniel, C.K. and Wachter, K.W.},
TITLE = {Demographic consequences of incest tabus: A microsimulation
analysis},
JOURNAL = {Science},
VOLUME = {205},
YEAR = {1979},
PAGES = {972--977},
ID = {info:doi/10.1126/science.205.4410.972},
ABSTRACT = {Theories of incest tabus usually stress the psychosocial advantages
of marriage regulation. But marriage regulation may produce delays
in mating and thus loss of fertility to a population. Computer
microsimulation experiments measure the amount of fertility that
must be achieved outside a normatively specified marriage system in
order to keep population constant. This amount varies directly with
scope of tabu and inversely with population size. For populations
of hundreds it is negligible, but for populations of dozens it can
be very great. In the latter, flexibility of marital arrangements
may permit maintenance of fertility without repeated revision of
rules of marriage.},
}
-
K.W. Wachter, R. Leach and E. Kellogg
Parameter estimation in X-ray astronomy using maximum likelihood
The Astrophysical Journal 230 (No. 2), 274--287 (1979).
[GScholar?]
[DOI]
[BibTeX]
Abstract: Methods of estimation of parameter values and confidence regions by maximum likelihood and Fisher efficient scores starting from Poisson probabilities are developed for the nonlinear spectral functions commonly encountered in X-ray astronomy. It is argued that these methods offer significant advantages over the commonly used alternatives called minimum chi-squared because they rely on less pervasive statistical approximations and so may be expected to remain valid for data of poorer quality. Extensive numerical simulations of the maximum likelihood method are reported which verify that the best-fit parameter value and confidence region calculations are correct over a wide range of input spectra.
@article{WACHTER:1979:PEIXAU:10.1086/157084,
AUTHOR = {Wachter, K.W. and Leach, R. and Kellogg, E.},
TITLE = {Parameter estimation in X-ray astronomy using maximum likelihood},
JOURNAL = {The Astrophysical Journal},
VOLUME = {230},
NUMBER = {2},
YEAR = {1979},
PAGES = {274--287},
ID = {info:doi/10.1086/157084},
ABSTRACT = {Methods of estimation of parameter values and confidence regions by
maximum likelihood and Fisher efficient scores starting from
Poisson probabilities are developed for the nonlinear spectral
functions commonly encountered in X-ray astronomy. It is argued
that these methods offer significant advantages over the commonly
used alternatives called minimum chi-squared because they rely on
less pervasive statistical approximations and so may be expected to
remain valid for data of poorer quality. Extensive numerical
simulations of the maximum likelihood method are reported which
verify that the best-fit parameter value and confidence region
calculations are correct over a wide range of input spectra.},
}
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