نتایج جستجو برای: Statistical Mix

تعداد نتایج: 400661  

Journal: :IEEE Transactions on Visualization and Computer Graphics 2014

Background. Marketing mix is a tool which can be used by administrators to achieve their goals. Objectives. This research investigated the role of sports marketing mix in generating revenue for football clubs. Methods. Data for this mixed method research was obtained from library studies, interviews with experts, and questionnaires. The statistical population comprised employees of the Footba...

Journal: :IEEE transactions on visualization and computer graphics 2014
Zan Armstrong Martin Wattenberg

We discuss how "mix effects" can surprise users of visualizations and potentially lead them to incorrect conclusions. This statistical issue (also known as "omitted variable bias" or, in extreme cases, as "Simpson's paradox") is widespread and can affect any visualization in which the quantity of interest is an aggregated value such as a weighted sum or average. Our first contribution is to doc...

I. Malek Mohammadi S. Dehyouri S. M. Hosseini S. M. Mirdamadi

Investment in research is indeed a "rational" investment. Thesis issues and projects in highereducation are the sources of research at educational institutions and have an evident role in helpingprofessionals and researchers. However, lack of fit scientific methods along with the ignorance ofthe proper processes of science has somewhat diminished the importance of research. This studypoints out...

2003
George Danezis

An improvement over the previously known disclosure attack is presented that allows, using statistical methods, to effectively deanonymize users of a mix system. Furthermore the statistical disclosure attack is computationally efficient, and the conditions for it to be possible and accurate are much better understood. The new attack can be generalized easily to a variety of anonymity systems be...

2012
M. Shariq A. K. Ahuja

The aim of this paper is to carried out statistical analysis for optimization of various concrete mix proportions by using full factorial experimental technique. The variables such as 28 days cube compressive strength, water to cement ratio (w/c), coarse aggregate to total aggregate ratio (CA/TA) and total aggregate to cement ratio (TA/C) were the parameters to be used for optimization. Four w/...

Journal: :computational methods in civil engineering 2011
d.o. onwuka c.e. okere j.i. arimanwa s.u. onwuka

the strength of concrete is a function of the proportions of the constituent materials, namely, cement, water, fine and coarse aggregates. the conventional methods used to determine the mix proportions that will yield the desired strength, are laborious, time consuming and expensive. in this paper, a mathematical method based on modified regression theory is formulated for the prediction of con...

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