نتایج جستجو برای: non parametric control chart

تعداد نتایج: 2558197  

Journal: :IOP Conference Series: Materials Science and Engineering 2021

Journal: :Journal of Physics: Conference Series 2018

Journal: :Journal of the American Statistical Association 2008
Arthur van Soest Michael Hurd

We analyze experimental survey data, with a random split into respondents who get an open-ended question on the amount of total family consumption (with follow-up unfolding brackets of the form "Is consumption $X or more?" for those who answer "don't know" or "refuse") and respondents who are immediately directed to unfolding brackets. In both cases, the entry point of the unfolding bracket seq...

2008
Corinna Kühnast Markus Neuhäuser

BACKGROUND Although non-normal data are widespread in biomedical research, parametric tests unnecessarily predominate in statistical analyses. METHODS We surveyed five biomedical journals and - for all studies which contain at least the unpaired t-test or the non-parametric Wilcoxon-Mann-Whitney test - investigated the relationship between the choice of a statistical test and other variables ...

Journal: :Energies 2022

Over the past few years, there has been a significant increase in interest and adoption of solar energy all over world. However, despite ongoing efforts to protect photovoltaic (PV) plants, they are continuously exposed numerous anomalies. If not detected accurately timely manner, anomalies PV plants may degrade desired performance result severe consequences. Hence, developing effective flexibl...

2012
Kris Heylen Dirk Speelman Dirk Geeraerts

In statistical NLP, Semantic Vector Spaces (SVS) are the standard technique for the automatic modeling of lexical semantics. However, it is largely unclear how these black-box techniques exactly capture word meaning. To explore the way an SVS structures the individual occurrences of words, we use a non-parametric MDS solution of a token-by-token similarity matrix. The MDS solution is visualized...

In high quality industrial processes, the control chart is design based on cumulative count of conforming (CCC) items is very useful. In this paper, the performance of CCC-r chart with variable sampling intervals (CCC-rVSI chart) in the presence ofinspectionerrors isinvestigated. The efficiency of CCC-rVSI chart is compared with CCC-r chart with fixed sampling interval (CC...

2011
Thierry Ducruet Marie-Claude Levasseur Anne Des Roches Renée Dicaire Elie Haddad

Methods This is a retrospective study on a cohort of patients with PID. Annual costs associated with IVg therapy were assessed for each patient for the year prior to commencing home-based subcutaneous SCIg therapy and the year after for the costs associated with the SCIg therapy. Demographic and clinical information were collected from patient’s chart. Economic data were captured from administr...

The most well-known uni-arribute control chart used to monitor the number of nonconformities per unit is the Shewhart type C-chart. In this paper, a new method is proposed in an attempt to reduce the false alarm rate in the C-chart. To do this, the decision on beliefs (DOB) concept is first uti [1] Corresponding author e-mail: [email protected]   lized to design an iterative method, where...

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