Results 101 to 110 of about 227,189 (224)

Invariant and Metric Free Proximities for Data Matching: An R Package [PDF]

open access: yes
Data matching is a typical statistical problem in non experimental and/or observational studies or, more generally, in cross-sectional studies in which one or more data sets are to be compared.
Giuseppe Porro, Stefano Iacus
core   +1 more source

Estimating and Analyzing Demographic Models Using the popbio Package in R [PDF]

open access: yes
A complete assessment of population growth and viability from field census data often requires complex data manipulations, statistical routines, mathematical tools, programming environments, and graphical capabilities.
Brook Milligan, Chris Stubben
core   +1 more source

Inhibition of Factor XIa by Antithrombin I11

open access: yesBiochemistry, 1987
The inactivation of human factor XIa by human antithrombin III was studied under pseudo-first-order reaction conditions (excess antithrombin III) both in the absence and in the presence of heparin. The time course of inhibition was followed by using polyacrylamide gel electrophoresis in the presence of sodium dodecyl sulfate.
Soons, Hans   +3 more
openaire   +1 more source

Genetic Optimization Using Derivatives: The rgenoud Package for R [PDF]

open access: yes
genoud is an R function that combines evolutionary algorithm methods with a derivative-based (quasi-Newton) method to solve difficult optimization problems. genoud may also be used for optimization problems for which derivatives do not exist.
Jasjeet S. Sekhon, Walter R. Mebane Jr.
core   +1 more source

A Cross-Country Analysis of Household Responses to Adult Mortality in Rural Sub-Saharan Africa: Implications For HIV/AIDS Mitigation And Rural Development Policies. [PDF]

open access: yes
This paper summarizes and synthesizes across the results of a set of country studies on the effects of prime-age adult mortality on rural households in Kenya, Malawi, Mozambique, Rwanda, and Zambia.
Bailey, Linda   +9 more
core   +1 more source

Ocean shrimp report 1979 season [PDF]

open access: yes, 1980
Statewide Pacific ocean shrimp, Pandalus jordani, landings totaled 2,237.7 mt (4,922,857 lb), down 3,745 mt (8,240,386 lb) from the 1978 catch of 5,983.3 mt (13,163,243 lb).
Collier, Patrick C.   +3 more
core  

Introducing COZIGAM: An R Package for Unconstrained and Constrained Zero-Inflated Generalized Additive Model Analysis [PDF]

open access: yes
Zero-inflation problem is very common in ecological studies as well as other areas. Nonparametric regression with zero-inflated data may be studied via the zero-inflated generalized additive model (ZIGAM), which assumes that the zero-inflated responses ...
Hai Liu, Kung-Sik Chan
core   +1 more source

Deter1nination of Adenosin De Aminase (ADA) enzyme activity in patients with Salmonellosis

open access: yesIbn Al-Haitham Journal for Pure and Applied Sciences, 2017
!'hi_,  i1rycsligation  was  carried   ou1 dn J)Ct'iphcral  blom.l s_amplc:s. wl1ich wendrawi·1  ih)rl1 patients  w.ith  l)1).hoid !'ever. Fifteen  palic111 nging ]5- 45 years old .
H. Khalil
doaj  

Certificate of Need Laws in Health Care: Past, Present, and Future

open access: yesInquiry: The Journal of Health Care Organization, Provision, and Financing
Certificate of need (CON) laws limit the supply of health care services in about two-thirds of U.S. states. The regulations require those who wish to offer new services or expand existing services to first prove to a regulator that the care is needed ...
Matthew D. Mitchell PhD
doaj   +1 more source

Ferimento transfixante de útero em gestante

open access: yesRevista do Colégio Brasileiro de Cirurgiões
In de past 50 years, maternal mortality rates have declined, in contrast, the number of deaths due to injury during pregnancy is on the rise. The authors report a case of 24° week pregnant woman victim of penetrating abdominal trauma by gunshot who ...
Gerson Luís Laux   +5 more
doaj   +1 more source

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