نتایج جستجو برای: bad data
تعداد نتایج: 2433455 فیلتر نتایج به سال:
Karl Popper discussed admirably the choice between faith and reason [Popper, 1945, Ch. 24]. He admitted that the basis of rationalism is a faith of sorts, a faith in reason. Later on his disciple William W. Bartley dissented from him [Bartley, 1962] and even called him a fideist [Radnitzky and Bartley, 1987, 205, 208, 210-11], much to his annoyance. All this caused bad blood between the two [La...
Data error is an obstacle to effective application, integration, and sharing of data. Error reduction, although desirable, is not always necessary or feasible. Error measurement is a natural alternative. In this paper, we outline an error propagation calculus which models the propagation of an error representation through queries. A closed set of three error types is defined: attribute value in...
In order to understand how different amounts of measurement error will affect the ability of a process behavior chart to detect process changes we shall construct some artificial data with a known structure and with known changes and see how the charts react. Let Y denote the product values. Let E denote the measurement errors. And let X denote the product measurements. Thus our model for a giv...
In modern smart grids deployed with various advanced sensors, e.g., phasor measurement units (PMUs), bad (anomalous) measurements are always inevitable in practice. Considering the imperative need for filtering out potential data, this paper develops a novel online PMU data detection (BPDD) approach regional concentrators (PDCs) by sufficiently exploring spatial-temporal correlations. With no c...
BACKGROUND Breaking bad news is one of the most stressful and difficult things a physician has to do. Good communication skills are required in order to ensure that bad news is delivered in a humane but effective way. OBJECTIVES This study was designed to explore the preferences and attitude of the Saudi population toward receiving bad news. Second, it was to identify the associations between...
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