نتایج جستجو برای: irr
تعداد نتایج: 2587 فیلتر نتایج به سال:
We consider the internal rate of return (IRR) decision rule in capital budgeting problems with fuzzy cash flows. The possibility distribution of the IRR at any r ≥ 0, is defined to be the degree of possibility that the (fuzzy) net present value of the project with discount factor r equals to zero. We show that the possibility distribution of the IRR is a highly nonlinear function of quasi-trian...
BACKGROUND Prophylactic measures are key components of dairy herd mastitis control programs, but some are only relevant in specific housing systems. To assess the association between management practices and mastitis incidence, data collected in 2011 by a survey among 979 randomly selected Swiss dairy farms, and information from the regular test day recordings from 680 of these farms was analyz...
In medical records review studies, information on the interrater reliability (IRR) of the data is seldom reported. This study assesses the IRR of data collected for a complex medical records review study. Elements selected for determining IRR included "demographic" data that require copying explicit information (e.g., gender, birth date), "free-text" data that require identifying and copying (e...
OBJECTIVE The objective of this study was to examine the association of patient- and county-level factors with the emergency department (ED) visits among adult fee-for-service (FFS) Medicaid beneficiaries residing in Maryland, Ohio, and West Virginia. METHODS A cross-sectional design using retrospective observational data was implemented. Patient-level data were obtained from 2010 Medicaid An...
We examined the associations between chronic diseases requiring hospitalization and the risk of non-melanoma skin cancers (NMSCs) in a population-based case-control study of 4,187 patients diagnosed with a first primary NMSC in 1995 in Denmark. From the National Patient Registry covering all Danish hospitals, we obtained data on hospitalizations with chronic diseases, recorded before the date o...
BACKGROUND Little is known about how early postoperative complications after oesophagectomy for cancer influence healthcare utilisation in the long-term. We hypothesised that these complications also increase healthcare utilisation long after the recovery period. METHODS This was a prospective, nationwide Swedish population-based cohort study of patients who underwent curatively intended oeso...
BACKGROUND HIV patients have increased risk of impaired renal function. We aimed to estimate the incidence of any renal replacement therapy (aRRT) and start of chronic renal replacement therapy (cRRT) among HIV patients compared with population controls. METHODS In a nationwide, population-based cohort study we analysed incidence rates (IR), incidence rate ratios (IRR) and risk factors for aR...
let $g$ be a finite group and let $n$ be a normal subgroup of $g$. suppose that ${rm{irr}} (g | n)$ is the set of the irreducible characters of $g$ that contain $n$ in their kernels. in this paper, we classify solvable groups $g$ in which the set $mathcal{c} (g) = {{rm{irr}} (g | n) | 1 ne n trianglelefteq g }$ has at most three elements. we also compute the set $mathcal{c}(g)$ for suc...
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