نتایج جستجو برای: metrics
تعداد نتایج: 65819 فیلتر نتایج به سال:
OBJECTIVES The National Cardiovascular Data Registry (NCDR) developed the Data Quality Program to meet the objectives of ensuring the completeness, consistency, and accuracy of data submitted to the observational clinical registries. The Data Quality Program consists of 3 main components: 1) a data quality report; 2) a set of internal quality assurance protocols; and 3) a yearly data audit prog...
To wireless communication, it is easy to be interrupted by all sorts of factors, such as, antenna direction, transmission power, distance, nodes voltage and so on. And the reliable transmission of data is the key problem for Wireless Sensor Networks (WSN) in recent years. In former research, there are many methods which can ensure data reliable transmission, but can not choose the best performa...
In the given paper I present the information regarding quality metrics. Different quality factors can be imposing with relation to cost, schedule and rework. It’s very important to make quality assurance plans. For that you have to cover many milestones which can be represented in time sheets. The main characteristics of the quality models have covered in this paper.
The three objectives of this study were (i) to explore the effect of various levels of aberrations on subjective vision by scoring images, (ii) to compare subjective scores obtained with real optics and simulated images and (iii) to test the ability of image quality metrics to predict these scores. In a first experiment, 14 subjects evaluated the quality of images degraded by 0.05, 0.1, 0.2, 0....
Applying reuse-supporting techniques has the potential for increasing software productivity, shortening development time and decreasing maintenance costs. However, at present, there is no methodology incorporating reuse as a standard development practice and the question of which factors affect reuse, their level of significance and assessment is still a controversial issue. Code reuse, on the ...
Affymetrix GeneChips are one of the best established microarray platforms. This powerful technique allows users to measure the expression of thousands of genes simultaneously. However, a microarray experiment is a sophisticated and time consuming endeavor with many potential sources of unwanted variation that could compromise the results if left uncontrolled. Increasing data volume and data com...
The problem of measuring the objective refractive error with an aberrometer has shown to be more elusive than expected. Here, the formalism of differential geometry is applied to develop a theoretical framework of refractive error sensing. At each point of the pupil, the local refractive error is given by the wavefront curvature, which is a 2 × 2 symmetric matrix, whose elements are directly re...
This paper reports on first attempts to define, apply and fully integrate some reuse measurement practices into the SAP requirements engineering activities. It addresses all the facets of the context for SAP requirements reuse measurement and indicates who reuse metrics data are collected for, where and when during the RE process reuse measurements are made, what counting standards are appropri...
Measurement of ocular wavefront aberration is becoming a popular clinical technique due to recent technical advances and an increasing awareness of its potential for practical application in the fields of surgical and optical refractive correction. In addition, information about the status of peripheral refraction determined from ocular wavefront aberrations is now being used to monitor the pro...
The American College of Cardiology Adult Congenital and Pediatric Cardiology (ACPC) Section had attempted to create quality metrics (QM) for ambulatory pediatric practice, but limited evidence made the process difficult. The ACPC sought to develop QMs for ambulatory pediatric cardiology practice. Five areas of interest were identified, and QMs were developed in a 2-step review process. In the f...
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