modeling human sentence processing data

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... TẠP CHÍ PHÁT TRIỂN KH&CN, TẬP 11, SỐ 03 - 2008 Trang 49 DEVELOPMENT OF AN AUTOUMATIC DATA PROCESSING FOR TRIAXIAL COMPRESSION TEST Pham Hong Thom (1) , Le Minh Son (2) , Phan Tan ... are recorded by examiner after certain duration. This paper studies on developing an automatic data processing for automatic recording these parameters. A camera is used to track the drainage ... the second one to the first one by using some simple and low cost data acquisition systems using a personal computer. The data acquisition systems must attain some advantages, such as: automatic...

Ngày tải lên: 10/12/2013, 06:15

... the data modeling for UML profile, the UML fully supports data modeling needs. It allows the support of software development and data modeling with one unified language. Using the UML data modeling ... Rational’s Data Modeling Profile for the UML 2 . The UML Data Modeling Profile This white paper describes in detail the Data Modeling profile for the UML as implemented by Rational Rose Data Modeler, ... UML. Database The Database is the system for data storage and controlled access to stored data. It is the biggest element a data model supports. The relational database is the standard database...

Ngày tải lên: 10/12/2013, 15:15

... to enforce data integrity. Overview of Data Modeling and Database Design 8Ć3 Objectives Before you build your tables, you design your database. In this lesson, you examine the data modeling process ... store the data of a table in the database. D Redefine integrity constraints. For more information, see Develop Complex Data Models and Design Databases course description. Overview of Data Modeling ... non-UID attribute. Overview of Data Modeling and Database Design 8Ć29 Designing the Database The database design stage produces design specifications for a relational database, including definitions...

Ngày tải lên: 10/12/2013, 17:15

... the data, then items (i) and (ii) are probably worthless. Unfortunately, many practitioners of parameter estimation never proceed beyond item (i). They deem a fit acceptable if a graph of data ... particular data set of x i ’s and y i ’s, we have the intuitive feeling that some parameter sets a 1 a M are very unlikely — those for which the model function y(x) looks nothing like the data — ... Chapters 18–19. 15.1 Least Squares as a Maximum Likelihood Estimator Suppose that we are fitting N data points (x i ,y i )i=1, ,N, to a model that has M adjustable parameters a j ,j=1, ,M. The model...

Ngày tải lên: 15/12/2013, 04:15

... [1] 15.2 Fitting Data to a Straight Line A concrete example will make the considerations of the previous section more meaningful. We consider the problem of fitting a set of N data points (x i ,y i )to a ... σ.That subscript also propagates docilely into (15.1.4), so that the maximum likelihood 658 Chapter 15. Modeling of Data Sample page from NUMERICAL RECIPES IN C: THE ART OF SCIENTIFIC COMPUTING (ISBN 0-521-43108-5) Copyright ... that this data set could have occurred?” If the y i ’s take on continuous values, the probability will always be zero unless we add the phrase, “ plus or minus some fixed ∆y on each data point.” So...

Ngày tải lên: 15/12/2013, 04:15

... fit(float x[], float y[], int ndata, float sig[], int mwt, float *a, float *b, float *siga, float *sigb, float *chi2, float *q) Given a set of data points x[1 ndata] , y[1 ndata] with individual standard ... *= sigdat; *sigb *= sigdat; } else { for (i=1;i<=ndata;i++) *chi2 += SQR((y[i]-(*a)-(*b)*x[i])/sig[i]); if (ndata>2) *q=gammq(0.5*(ndata-2),0.5*(*chi2)); Equation (15.2.12). } } CITED REFERENCES ... P.R. 1969, Data Reduction and Error Analysis for the Physical Sciences (New York: McGraw-Hill), Chapter 6. 15.3 Straight-Line Data with Errors in Both Coordinates If experimental data are subject...

Ngày tải lên: 15/12/2013, 04:15

... Calculate χ 2 . *q=1.0; if (mwt == 0) { for (i=1;i<=ndata;i++) *chi2 += SQR(y[i]-(*a)-(*b)*x[i]); sigdat=sqrt((*chi2)/(ndata-2)); For unweighted data evaluate typ- ical sig using chi2,andad- just ... *= sigdat; *sigb *= sigdat; } else { for (i=1;i<=ndata;i++) *chi2 += SQR((y[i]-(*a)-(*b)*x[i])/sig[i]); if (ndata>2) *q=gammq(0.5*(ndata-2),0.5*(*chi2)); Equation (15.2.12). } } CITED REFERENCES ... P.R. 1969, Data Reduction and Error Analysis for the Physical Sciences (New York: McGraw-Hill), Chapter 6. 15.3 Straight-Line Data with Errors in Both Coordinates If experimental data are subject...

Ngày tải lên: 15/12/2013, 04:15

... float sig[], int ndata, float a[], int ma, float **u, float **v, float w[], float *chisq, void (*funcs)(float, float [], int)) Given a set of data points x[1 ndata] , y[1 ndata] with individual ... matrices u,v and the vector w are input as working space. The logical dimensions of the problem are ndata data points by ma basis functions (and fitted parameters). If you care only about the values a ... 678 Chapter 15. Modeling of Data Sample page from NUMERICAL RECIPES IN C: THE ART OF SCIENTIFIC COMPUTING (ISBN 0-521-43108-5) Copyright...

Ngày tải lên: 15/12/2013, 04:15

... attempting to reduce the value χ 2 of a fit between a set of data points x[1 ndata] , y[1 ndata] with individual standard deviations sig[1 ndata] , and a nonlinear function dependent on ma coefficients a[1 ... random measurement errors, as a measured data set, which we will symbolizeas D (0) . Thedataset D (0) isknown to the experimenter. He or she fits the data to a model by χ 2 minimization or some ... 688 Chapter 15. Modeling of Data Sample page from NUMERICAL RECIPES IN C: THE ART OF SCIENTIFIC COMPUTING (ISBN 0-521-43108-5) Copyright...

Ngày tải lên: 15/12/2013, 04:15

... the actual data set D S (0) , with its N data points, to generate any number of synthetic data sets D S (1) ,D S (2) , , also with N data points. The procedure is simply to draw N data points ... email to trade@cup.cam.ac.uk (outside North America). synthetic data set 1 synthetic data set 2 synthetic data set 3 synthetic data set 4 a 2 χ 2  min χ 2  min (s) a 1 (s) a 3 (s) a 4 ... email to trade@cup.cam.ac.uk (outside North America). actual data set  hypothetical data set hypothetical data set hypothetical data set a 3 a 2 a 1 fitted parameters a 0 χ 2 min   true...

Ngày tải lên: 15/12/2013, 04:15