...combination, $e[l]$ is the error between $x[l]$ and the Hermite
representation, and $\sigma $ controls the width of the Hermite function
enabling it to adjust to the width of the QRS. The Hermite functions $\phi
_{n}[l,\sigma )$ , $0\leq n Words: 1544 - Pages: 7
...1985-1994 Determinants of Portfolio Performance Gary P: Brinson, L. Randolph Hood, and Gilbert L. Beebower recent study indicates that more than 80 per ,cent of all corporate pension plans with as.sets greater than $2 billion have more than 10 managers, and of all plans with assets greater than $50 million, less than one-third have only one investment manager. ~ Many funds that employ multiple managers focus their attention solely on the problem of manager selection. Only now are some funds beginning to realize that they must develop a method for delineating responsibility and measuring the performance contribution of those activities that compose the investment management process---investment policy, market timing and security selection. 2 The relative importance of policy, timing and selection can be determined only if we have a clear and relevant method of attributing returns to these factors. This article examines empirically the effects of investment policy, market timing and security (or manager) selection on total portfolio return. Our goal is to determine, from historical investment data on U.S. corporate pension plans, which investment decisions had the greatest impacts on the magnitude of total return and on the variability of that return. A Table I illustrates the framework for analyzing portfolio returns. Quadrant I represents policy. Here we would place the fund's benchmark return for the period, as determined by its long-term investment policy. A plan's benchmark...
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...Topic 3 Part V: Variable Selection 1 Variable Selection Thus far, we have discussed several hypothesis tests to help decide whether certain variables should be included in the regression model. Several additional procedures, called variable selection techniques can also be used to help choose which variables are important. It is important to include the “correct” variables in the model as the effects of model misspecification can be detrimental. A misspecified model is one that does not include the best predictor variables: • underspecified model • overspecified model 2 Underspecified Model An underspecified model is one that fails to include important predictor variables and the effects of omitting important predictor variables are: • produce inaccurate estimates of the regression coefficients • produce inaccurate predictions of new response values • overestimate σ ε2 with MSE 3 Underspecified Model = • overestimate sb j 1 MSE 1 − R2 j ∑( X n i =1 ij −X) 2 since MSE is too large. predse • overestimate= MSE 1 + x ( * X ′X ) x*′ ( −1 ) since MSE is too large. 4 Overspecified Model An overspecified model is one that includes extra predictor variables and the effects are: • Multicollinearity 1 n 2 = MSE X −X) • overestimate sb 2 ∑ ( ij j since R 2 is too large. j • overestimate= predse since 1 + x 1− Rj i =1 ( * ′X ) x*′ is too large. (X −1 5 ) ′X ) x*′ MSE 1...
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...Gluck-Sgambati 1)Dance of the blessed spirits Scarlatti 1)Sonata d minor K. 1 (L 366) 3)Sonata f minor K. 466 (L 118) Bach 1)WTC Book 1-Selections wtc1—#2 BWV 847, #22 BWV 867 2)WTC Book2-Selections wtc2-2 BWV 871 3)Tocattas—c minor, e minor, 6)French overture 7)Goldberg Variations—Selections aria, 1, 2, 5, 6, 9, 15 , , 31, aria 8)Invention No. 15 b minor 8)B minor Partita—Bach-Siloti 5)Partita C minor—final movement 9)Marcello full Beethoven 1)Moonlight Sonata 2)Pathetique Mov. 2 3)Appasionata 4)op. 131—4 Haydn—minor sonatas 1. Keyboard Sonata in G minor, H. 16/44 2. Keyboard Sonata in C minor, H. 16/20 3. Keyboard Sonata in C sharp minor, H. 16/36 4. Keyboard Sonata in B minor, H. 16/32 5. Keyboard Sonata in E minor, H. 16/34 6. Andante with variations for piano in F minor, H. 17/6 Chopin 1)Etudes—Selections op. 10/1, ,op. 25/6, , op. 25/12 2)Nocturnes—Selections op.9(1b, 3B), op. 15(2F#,), Op. 27(1c#, 2Db), Op. 48 (1c) --nocturnes[5], op. 72 no. 1, (Postumous No. 20 c# minor), 4, 6, 7, 8, 12, 15, 16, 20, 22, 24--preludes[10] 5)Waltzes-7 (c# minor), 14 (e minor), b minor, a minor, a flat major--waltzes [2] 6)Polonaise—F# minor Polonaises Op. 71 no. 1 Op. 71 No. 3 Polonaise for piano in B flat minor, KK IVa/5, CT. 164 (B. 13) Polonaise for piano in G minor, KK IIa/1, CT. 161 (B. 1) Polonaise for piano in G sharp minor, KK IVa/3, CT. 163 (B. 6) Polonaises for piano, Op. 26, No. 1 Polonaise Op. 26, No...
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...R I s k M a n a g e M e n T: the current financial crisis, lessons learned and future implications essay on the Financial Crisis by Andrew Winkler The current crisis is catalyzing an array of responses, including searching for causes, reworking regulations, scapederstanding of the cause, the remedies may do more harm goating and a massive capital injection. Without a clear unthan good, innocents may be scapegoated, and valuable progress in financial tools may be lost. Worse, it will happen again. From a simple mathematical model of the underlying make housing prices inversely proportional to the interest rate. If interest rates are cut in half, house prices double. When those rates double, house prices are slashed in half. When interest rates are large, they are not likely to double or halve, but when interest rates are small, a small adjustment can be a big percentage change, and the danger of big swings in housing prices is appreciable, even inevitable. With no down payment, no amortization and closing economics, I first predicted this crisis in July of 2004. An economic dynamic relating very low interest rates to the this outcome foreseeable, indeed inevitable. The current full explanations; see mattersofinterestmatters.blogspot.com. costs folded into the loan, the only issue in affording a structure of the demand curve in the housing market made crisis had a mathematical cause. There isn’t space here for This much is clear to everyone—the crisis results...
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...R i s k M a n a g e m e n t: The Current Financial Crisis, Lessons Learned and Future Implications Essay on the Financial Crisis by Andrew Winkler The current crisis is catalyzing an array of responses, in- make housing prices inversely proportional to the interest goating and a massive capital injection. Without a clear un- When those rates double, house prices are slashed in half. cluding searching for causes, reworking regulations, scapederstanding of the cause, the remedies may do more harm than good, innocents may be scapegoated, and valuable progress in financial tools may be lost. Worse, it will happen again. From a simple mathematical model of the underlying rate. If interest rates are cut in half, house prices double. When interest rates are large, they are not likely to double or halve, but when interest rates are small, a small adjustment can be a big percentage change, and the danger of big swings in housing prices is appreciable, even inevitable. With no down payment, no amortization and closing economics, I first predicted this crisis in July of 2004. An costs folded into the loan, the only issue in affording a structure of the demand curve in the housing market made multiplied by the interest rate. If interest rates are cut in economic dynamic relating very low interest rates to the this outcome foreseeable, indeed inevitable. The current crisis had a mathematical cause. There isn’t space here for full explanations; see mattersofinterestmatters...
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...ijest-ng.com www.ajol.info/index.php/ijest 2014 MultiCraft Limited. All rights reserved When ETO companies design the supply chain during new product development process R. Cigolini1, M. Pero1*, A. Sianesi1 1 * Department of Management, Economics and Industrial Engineering, Politecnico di Milano, ITALY Corresponding Author: E-mail: margherita.pero@polimi.it Phone: +39.02.2399.2819; Fax: .2700 Abstract This paper outlines the interface between product development process and supply chain configuration. It highlights the relevance of product features on the time the sourcing decisions are taken with respect to the product development phases. Multiple case studies in Engineer-To-Order (ETO) industries have been performed to investigate how companies configure the product development process and choose the timing of sourcing decisions along the process. Results suggest that the time companies take supply chain configuration decisions varies according to product features: high techno-logical complexity pushes companies to re-think their supply chain in the early phases of product development process, e.g. in terms of make-or-buy decisions and suppliers selection. The proposed framework helps decisions makers arrange the product development process by defining when supply chain configuration should take place. Keywords: Supply Chain, New Product Development, Engineer To Order, Supply Chain Design.. DOI: http://dx.doi.org/10.4314/ijest.v6i3.3S 1. Introduction The coordination of supply...
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...290 IEEE TRANSACTIONS AUTOMATIC CONTROL, VOL. ON AC-29,NO. 4, APRIL 1984 The Control of a Prosthetic Arm by EMG Pattern Recognition Abstract -An electromyographic (EMG) signal pattern recognition system is constructed for real-lime control a prostheticarm through precise of identificationof motion and speed command. A probabiistic modelofthe EMG patterns is f i i formulatedinthe featurespace of integralabsolute d u e (IAV) to describetherelation betweena command, represented by motion and speed variables, and location and shape of the corresponding pattern. The model provides the sample probability density function of pattern classes in the decision space relations between L4V, of variance zero and crossings based on the variance, and zero crossings established in this paper. Pattern classification is carried out through a multiclass sequential decision procedure designed with an emphasis on computational simplicity. The upper bound of probability of error and the average number of sample observationsareinvestigated. Speed andmotionpredictionsareusedin conjunctionwiththe decision proceduretoenhance decision speed and reliability. A decomposition ruleis famulated for the direct assignment of speed to each primitive motion involved ina combined motion..4 learning procedure i also designedforthedecisionprocessorto s adaptlong-termpattern variation. Experimental results are discussed in the Appendix. I. INTRODUCTION HE electromyographc (EMG) signals are the electric...
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...iEARN Pakistan Kennedy-Lugar Youth Exchange and Study (K-L YES) Program Preliminary Application 2015 - 2016 PARTICULARS OF SCHOOL: Name of School: __________________________________________________________________________________________ Address: ________________________________________________________________________________________________ ___________________ City: _______________ Province: _______________ Telephone with city code: ___________________ PARTICULARS OF STUDENT: Name: ___________________________________________________________________________________ Date of Birth: ____________________ Place of Birth: ___________________ Province:_________________ Gender: Male Female Nationality: __________________ Religion: _____________________ Recent Photograph (Taken within the last 6 months) Residential Address: ________________________________________________________________________ ________________________________________________________________________ Province________________________ Phone Number: _____________________________ Mobile Number: _______________________________________________ Student’s e-mail Address: ______________________________ Class in which studying at present: _______________________ Classes studied in: 2013-2014 2012-2013 2011-2012 Class: _______________________________ Percentage: ___________________________ Class: _______________________________ Percentage: ___________________________ Class: _______________________________ Percentage: ___________________________...
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...CHAPTER: 1 INTRODUCTION 1.1 Some basics elements of communication systems: In [1] [21], it is mentioned that communication system means a system where transmission of data or information is done from one point to another by several processes. The processes consist of generation of an information signal, description of the information signal through a defined set of symbols, encoding of the symbols through communication channels, decoding and reproduction of original symbols and finally re-creation of the original information signal. All these features of a communication system can be described by three basic elements such as transmitter, channel and receiver. Figure 1.1: Basic structure of communication system 1.2 Wireless communication background In 1921, Detroit Michigan Police Dept. made the earliest significant use of Mobile radio in a vehicle in the United States. The system operated at a frequency close to 2 MHz. The channels soon became overcrowded. In 1940, new frequencies between 30 and 40 MHz were made available. Increasing the available channels encouraged a substantial buildup of police systems. Shortly thereafter other users found a need for this form of communication. Private individuals, companies and public agencies purchased and operated their own mobile units. In 1945, first public mobile telephone system in the U.S. was inaugurated in St. Louis, Missouri with three channels at 150 MHz. Six channels spaced 60 kHz apart were allocated for this service...
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...as a whole, it is the fundamental framework of a unifying ! theory.! C. Evolution helps discover all the mysteries throughout our history and ! explains relationships between these species.! D. There are many questions as to why we study biology such as how !! organisms work, how we breathe, how fish swim, or how leopard frogs ! produce thousands of eggs at one time, but evolution truly explains the ! background of how these things occur. ! E. Evolution is such an inducing subject because it broadens the categories ! of applied sciences, philosophy, psychology, literature, and the arts. ! Why is evolution a unifying theory?! ! ! ! ! ! ! A. When evolution takes place, when a population of species change they ! end up favoring their survival with such characteristics. ! B. With these inheritable characteristics, are likely to live to their given age ! unlike ones who do not have those characteristics.! C. Organisms will increase the population making them survival of the fittest ! which is called natural selection. ! D. Evolutionary change shows that the organisms have to stay the way...
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...“Best Practices” & “HR Oops” sections of the HR textbook. Make sure you download the post-lecture slides from Carmen On page 4 of this study guide I have provided some example questions. Remember the likely sources of exam material: • Material Found in Book & Slides (found both places) – MOST LIKELY • Material Found Only In Slides (I have placed an ASTERISK on slides with non-book content that is exam material) • Material Found Only In Book (e.g. definitions, frameworks,…) Strategy & Strategic OB: K&K Chapter 1: Definitions (key terms): contingency approach, human capital, management, organizational behavior, social capital, Theory Y, total quality management Reading: p.5-16 (just the top of 16) Key concepts Human Relations Movement Theory X, Theory Y Total Quality Management Deming’s 85-15 Rule Contingency Approach Human Capital Social Capital Congruence Model Organizational Culture & Socialization: K&K Chapter 2: Definitions (key terms): adhocracy culture, anticipatory socialization, change and acquisition, clan culture, enacted values, encounter phase, espoused values, hierarchy culture, market culture, mentoring, onboarding, organizational culture, organizational socialization Reading: p. 36-54 (just the top of 54) Key...
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...solely for the personal use of the individual user and is not to be disseminated broadly. Copyright 1998 by the American Psychological Association, Inc. 0033-2909/98/S3.00 Psychological Bulletin 1998, Vol. 124, No. 2, 262-274 The Validity and Utility of Selection Methods in Personnel Psychology: Practical and Theoretical Implications of 85 Years of Research Findings John E. Hunter Michigan State University Frank L. Schmidt University of Iowa This article summarizes the practical and theoretical implications of 85 years of research in personnel selection. On the basis of meta-analytic findings, this article presents the validity of 19 selection procedures for predicting job performance and training performance and the validity of paired combinations of general mental ability (GMA) and Ihe 18 other selection procedures. Overall, the 3 combinations with the highest multivariate validity and utility for job performance were GMA plus a work sample test (mean validity of .63), GMA plus an integrity test (mean validity of .65), and GMA plus a structured interview (mean validity of .63). A further advantage of the latter 2 combinations is that they can be used for both entry level selection and selection of experienced employees. The practical utility implications of these summary findings are substantial. The implications of these research findings for the development of theories of job performance are discussed. From the point of view of practical value,...
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...Fixed-Income Portfolio Selection Kay Giesecke∗ and Jack Kim† Stanford University June 29, 2009; this draft January 11, 2012‡ Abstract The equity portfolio selection problem is the subject of a substantial literature. Though equally important in practice, the selection problem for a fixed-income portfolio of corporate and government bonds, industrial loans and credit derivatives, is less well-understood. The fixed-income portfolio problem presents unique challenges: the risk of issuer default induces skewed return distributions, the correlation of defaults influences the tail of the portfolio return distribution, and credit derivative positions have complex risk/return implications. This paper addresses the static selection problem for a fixed-income portfolio. We optimize the total mark-to-market value of the portfolio at the investment horizon. This value incorporates the intermediate premium and default cash flows of long and short cash and derivative positions, and the survival-contingent market value of these positions at the horizon. The selection problem is cast as a polynomial goal program that involves a two-stage constrained optimization of preference weighted moments of the portfolio mark-to-market. The decision variable is the vector of contract notionals. A capital constraint guarantees the solvency of the investor. The multi-moment formulation addresses the non-Gaussian distribution of the portfolio mark-tomarket. It is also computationally tractable, because we obtain...
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...Investment Choices By Karl Preissner, Xavier University Business Stats 500 Project Winter 2011 Problem Description This paper concerns a simple question, “What’s the best way to invest my money when presented with 13 alternative opportunities?” In this case, we’ll assume our investment goal is to maximize return while simultaneously minimizing the risk of loss. Since we cannot invest backwards in time, we need to develop an expectation for the future performance of our opportunities in order to make our choice. This leads to our two fundamental questions: 1. If investment skill exists, how can we find it? 2. Based on the above answer, what investment opportunity is most likely to maximize return while minimizing risk? Problem Discussion and Historical Review When did it start? The problem of appropriate expectations has been with us as long as financial markets themselves. For much of our history, adaptive expectations theory was commonly used to guide investment decisions. Adaptive expectations suggest that past data can be used to predict future expectations. More recently, and accelerating after WWI, the theory of rational expectations has come to dominate the conversation. This theory suggests that expectations are simply our best guess of the future using all available information. Two key implications of this theory are that arbitrage opportunities are quickly taken advantage of, and that as a result, we cannot predict the future ahead of...
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