Case and control selection
Comparative study of control selection in a national population -based case-control study: Estimating risk of smoking on cancer deaths in Chinese men
... of control selection, it is widely accepted that the inclusion of multiple control groups selected by different criteria is prefer- able to only one control ...Multiple control groups ...
9
Propensity score matching for selection of local areas as controls for evaluation of effects of alcohol policies in case series and quasi case-control designs.
... for control selection is analogous to that of Abdie and ...select control areas in public health, although they have been used previously to match at an individual level; for example to study the ...
10
Bayesian model averaging: improved variable selection for matched case-control studies
... We applied BMA to data from a published medical research study and compared the results to the original analysis. Because all the variables under consideration were based on a literature review or biological/clinical ...
8
Crossover control in selection hyper-heuristics: case studies using MKP and HyFlex
... heuristic selection Using the classic version of the Choice Function has some limitations when applied to cross-domain optimisation using the CHeSC2011 ...heuristic selection with Late Acceptance Strategy ...
200
Reducing selection bias in case-control studies from rare disease registries
... robust statistical analysis. However, studies based on registry databases are vulnerable to bias. For example, domains captured in the database may differ from cen- ter to center; patients with less severe disease may ...
7
Control Valves Sizing & Selection
... down, control valves are likely to retain system ...these control valves. Particularly in case of tight shut off valves installed along with block valves, trapping of fluid at considerably higher ...
76
Employee Selection as a Control System
... It is worth considering that if old system employees which remain in the new system are concentrated among those with lower ability – as might be expected if they have weaker outside opportunities for instance – the ...
51
Selection and implementation of quality control and improvement initiatives: case studies of two Malaysian manufacturing companies
... 12 interactions. The statistical analysis of the results allows the determination of the significance of the results and to obtain an experimental equation that relates the variables and the results. It is often ...
43
Aware Time in Bug Fix—A Novel Automatic Test Case Selection for Prioritization of Version Control
... test case generation, test execution, and test evaluation. Test case generation was the heart for any testing process but it needs test data for executed that creates the test data generation not inferior ...
15
Server Selection for Carbon Emission Control
... A cloud may be comprised of several data centers (DCs) at different geographical locations. If a global distribution of servers is used with load balancing it has many potential benefits. Reduced latency and increased ...
6
Causal Control: A Rationale for Causal Selection
... Causal selection has to do with the distinction we make between background conditions and “the” true cause or causes of some outcome of ...each case, just a small number of factors are selected as causes of ...
15
Model structure selection in powertrain calibration and control
... The work of Rizzoni and Zhang [62] consists of a detailed physical model and a nonlinear parametric model for a single cylinder IC engine. The indicated torque is determined by minimizing the error ǫ in the estimate of ...
158
Mutation-selection balance and metabolic control theory.
... Changes in activity of an enzyme will affect the immediately flanking metabolite pools more than pools more distant in the pathway (as is the case for the human inborn e[r] ...
15
Experience Selection in Deep Reinforcement Learning for Control
... However, the temporal difference error will also be partly caused by the function ap- proximation error. These errors will be present even for a stationary sample distribution after learning has converged. The errors ...
56
Production control and supplier selection under demand disruptions
... doi:10.3926/jiem.2010.v3n3.p421-446 JIEM, 2010 – 3(3): 421-446 – Online ISSN: 2013-0953 Print ISSN: 2013-8423 Table 16. “Supplier characteristics comparison”. Table 17 shows that for case 4 the Supplier C has the ...
26
The Role of Adaptive Cognitive Control in Voluntary Task Selection.
... of control in overriding distraction during voluntary task ...the case that we encounter environmental cues that might seize our attention and bias our task ...the case when ...
171
Control Valve Selection
... a control valve is to modulate flow; accordingly, very few control valves are of a full-bore ...a control valve or other device to allow removal or repair of the control valve or other device ...
180
Selection of Control Valves
... Magnetic Valve Magnetic valves have two components, the actuator and the valve. Actuator = composed of the electronics, is where the actuator receives power, and the control signal to determine the electrical ...
8
Case: Peatland Selection
... Even though the stakeholder participation and easy to use visual application of YODA are valued features there are however still some issues in this decision method. First of all, it does not optimize portfolio ...
72
Easy Control Valve Selection
... This eliminates the cost and weight of flanges, but may be problematic if the valve has to be removed for service. Maintenance In this article, maintenance is considered as it is affected by the valve design. Ref. 2 ...
5