Xem 1-7 trên 7 kết quả Bootstrap values
  • Most available literature on cockroaches deals with domestic pests and the half dozen or so other species that are easily and commonly kept in laboratories and museums. It reflects the extensive efforts undertaken to find chinks in the armor of problematic cockroaches, and the fact that certain species are ideal for physiological and behavioral investigations under controlled conditions. These studies have been summarized in some excellent books, including those by Guthrie and Tindall (1968), Cornwell (1968),Huber et al. (1990), Bell and Adiyodi (1982a), and Rust et al. (1995).

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  • Financial markets play a major role in allocating wealth and excess savings to productive ventures in the global economy. This extremely desirable process takes on various forms. Commercial banks solicit depositors’ funds in order to lend them out to businesses that invest in manufacturing and services or to home buyers who finance new construction or redevelopment. Investment banks bring to market offerings of equity and debt from newly formed or expanding corporations.

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  • Since such a fund is determined according to a pre-ranking of all fund alphas, a correct inference about its alpha must take into account the entire cross-section of the fund alphas3. In this context, they advocate to use a bootstrap procedure, and conclude that they account for luck in the sense that they correctly compute the p-values of the individual funds4. This definition of luck is not related to the issue of multiple testing investigated in this paper.

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  • FeedTree aware client applications should be able to examine conventional RSS feed data to discover if up- dates to that feed will be published through FeedTree. To do this, FeedTree metadata can be added to the RSS document structure to signal that it is available for sub- scription in the overlay. In this way, a FeedTree appli- cation bootstraps the subscription process with a one- time HTTP request of the conventional feed. All future updates are distributed through incremental RSS items published in FeedTree.

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  • Abstract A brief account is given of the methodology and theory for the bootstrap. Methodology is developed in the context of the “equation” approach, which allows attention to be focussed on specific criteria for excellence, such as coverage error of a confidence interval or expected value of a bias-corrected estimator.

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  • Using the panel-data approach of Kónya (2006), which is based on SUR systems and Wald tests with country-specific bootstrap critical values, and two different (weekly and monthly) datasets covering respectively the periods from 7 June 2005 to 21October 2008, and from January 1996 to December 2007, we show strong statistical evidence that the causal relationship is consistently bi-directional for Saudi Arabia. In the other GCC countries, stock market price changes do not Granger cause oil price changes, whereas oil price shocks Granger cause stock price changes.

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  • This paper is focused on one aspect of SOPMI, an unsupervised approach to sentiment vocabulary acquisition proposed by Turney (Turney and Littman, 2003). The method, originally applied and evaluated for English, is often used in bootstrapping sentiment lexicons for European languages where no such resources typically exist. In general, SO-PMI values are computed from word co-occurrence frequencies in the neighbourhoods of two small sets of paradigm words. The goal of this work is to investigate how lexeme selection affects the quality of obtained sentiment estimations. ...

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