Results 241 to 250 of about 4,474,661 (295)

Generating geochemical and mineralogy distributions of soil in the conterminous United States using Bayesian hierarchical spatial models. [PDF]

MethodsX
Bondo KJ, Wolf TM, Walter WD.
europepmc   +1 more source

Operating-Room scheduling under uncertainty: balancing elective and emergency surgeries. [PDF]

Health Care Manag Sci
Sadegh Zadeh H, Zhang L, Fackrell M, Anjomshoa H.   +3 more
europepmc   +1 more source

Performance analysis over q-Weibull fading channels for symbol error probability evaluation using a tighter Gaussian Q approximation. [PDF]

Sci Rep
Samal S, Chakravarty S, Mukherjee T, Panigrahi A, Pati A, Sahu B.   +5 more
europepmc   +1 more source

Genetic variability of hepatitis A virus genotype I strains in Bulgaria, 2011-2023. [PDF]

BMC Infect Dis
Golkocheva-Markova E, Lo Presti A, Equestre M, Taffon S, Costantino A, Madonna E, Marcantonio C, Arcopinto L, Costanzi G, Kotsev S, Velev V, Ciccaglione AR, Bruni R.   +12 more
europepmc   +1 more source

A susceptible cluster in a religious camp allowed 2018-2019 measles outbreak in Japan: resurgence of a formerly eliminated virus. [PDF]

Front Public Health
Kobayashi T, Nishiura H.
europepmc   +1 more source

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Approximating Lognormal Sum Distributions With Power Lognormal Distributions

IEEE Transactions on Vehicular Technology, 2008
In wireless communications, cochannel interference is usually characterized by a sum of lognormal random variables. Since the characteristic function of a lognormal distribution lacks explicit expression, and numerical calculation of a lognormal sum distribution is very challenging, lognormal distributions are often used to approximate lognormal sum ...
R McGorman, J Almhana
exaly   +2 more sources

An Optimal Lognormal Approximation to Lognormal Sum Distributions

IEEE Transactions on Vehicular Technology, 2004
Sums of lognormal random variables occur in many problems in wireless communications because signal shadowing is well modeled by the lognormal distribution. The lognormal sum distribution is not known in the closed form and is difficult to compute numerically.
Norman C. Beaulieu, Qiong Xie
exaly   +3 more sources

Mixture Lognormal Approximations to Lognormal Sum Distributions

IEEE Communications Letters, 2007
In wireless communication, co-channel interference is usually characterized by a sum of lognormal random variables. Since calculating the exact distribution of a lognormal sum has a lot of challenges, lognormal distributions are often used to approximate lognormal sum distributions.
R McGorman, J Almhana
exaly   +3 more sources

Pareto tails and lognormal body of US cities size distribution [PDF]

Physica A: Statistical Mechanics and Its Applications, 2017
We consider a distribution, which consists of lower tail Pareto, lognormal body, and upper tail Pareto, to estimate the size distribution of all US cities.
Jeff Luckstead
exaly   +2 more sources