description of data and methodology

... Statistical Description of Data CITED REFERENCES AND FURTHER READING: Bevington, P.R 1969, Data Reduction and Error Analysis for the Physical Sciences (New York: McGraw-Hill) Stuart, A., and Ord, ... Basic Statistics and Operations; and 1985, SPSSX Advanced Statistics Guide (New York: McGraw-Hill) Dunn, O.J., and Clark, V.A 1974, Applied Statistics: Analysis of Variance and Regression (New ... tendency, the moments of a distribution, the median and mode In §14.2 we learn to test whether different data sets are drawn from distributions with different values of these measures of central tendency...

Ngày tải lên: 20/10/2013, 17:15

... of means is not the number of standard deviations that they are apart, but the number of so-called standard errors that they are apart The standard error of a set of values measures the accuracy ... = j N −1 614 Chapter 14 Statistical Description of Data Semi-Invariants The mean and variance of independent random variables are additive: If x and y are drawn independently from two, possibly ... have some idea of its standard deviation as an estimator of the skewness of the underlying distribution Unfortunately, that depends on the shape of the underlying distribution, and rather critically...

Ngày tải lên: 24/10/2013, 15:15

... ftest(float data1 [], unsigned long n1, float data2 [], unsigned long n2, float *f, float *prob) Given the arrays data1 [1 n1] and data2 [1 n2], this routine returns the value of f, and its significance ... NA + NB − degrees of freedom, by equations (6.4.7) and (6.4.9), and by the routine betai (incomplete beta function) of §6.4 The significance is a number between zero and one, and is the probability ... ttest(float data1 [], unsigned long n1, float data2 [], unsigned long n2, float *t, float *prob) Given the arrays data1 [1 n1] and data2 [1 n2], this routine returns Student’s t as t, and its significance...

Ngày tải lên: 24/10/2013, 15:15

... the data sets are drawn from the same distribution Small values of prob show that the cumulative distribution function of data1 is significantly different from that of data2 The arrays data1 and data2 ... for the cases of one and two distributions: 626 Chapter 14 Statistical Description of Data If we are not done Next step is in data1 Next step is in data2 Compute significance } Both of the above ... of Data Next we consider the case of comparing two binned data sets Let Ri be the number of events in bin i for the first data set, Si the number of events in the same bin i for the second data...

Ngày tải lên: 28/10/2013, 22:15

... Table Analysis of Two Distributions female # of red males N11 # of green males N12 # of males N1⋅ # of red females N21 # of green females N22 # of females N2⋅ # of red N ⋅1 ... number of degrees of freedom is equal to the number of entries in the table (product of its row size and column size) minus the number of constraints that have arisen from our use of the data themselves ... Chapter 14 Statistical Description of Data Measures of Association Based on Chi-Square Ni· = Nij N·j = j N = Nij i Ni· = i (14.4.1) N·j j N·j and Ni· are sometimes called the row and column totals...

Ngày tải lên: 28/10/2013, 22:15

... (14.5.10) N2 −3 where z1 and z2 are obtained from r1 and r2 using (14.5.6), and where N1 and N2 are, respectively, the number of data points in the measurement of r1 and r2 All of the significances ... detecting correlation between uniform sets of integers between and N , keeping in mind the possibility of ties in the ranks There is, of course, some loss of information in replacing the original ... the actual or population value of the correlation coefficient, and with a standard deviation σ(z) ≈ √ N −3 (14.5.8) Sample page from NUMERICAL RECIPES IN C: THE ART OF SCIENTIFIC COMPUTING (ISBN...

Ngày tải lên: 07/11/2013, 19:15

... 642 Chapter 14 Statistical Description of Data Expectation value of D, and variance of D give number of standard deviations and significance Rank correlation coefficient, and its t value, give its ... kendl1(float data1 [], float data2 [], unsigned long n, float *tau, float *z, float *prob) Given data arrays data1 [1 n] and data2 [1 n], this program returns Kendall’s τ as tau, its number of standard ... a1 =data1 [j] -data1 [k]; a2 =data2 [j] -data2 [k]; aa=a1*a2; if (aa) { ++n1; Loop over first member of pair, and second member Neither array has a tie Sample page from NUMERICAL RECIPES IN C: THE ART OF...

Ngày tải lên: 07/11/2013, 19:15

... their paper, Fasano and Franceschini tabulate Monte Carlo results for (what amounts to) the distribution of D as a function of (of course) D, sample size N , and coefficient of correlation r Analyzing ... Two-dimensional Kolmogorov-Smirnov test of one sample against a model Given the x and y coordinates of n1 data points in arrays x1[1 n1] and y1[1 n1], and given a user-supplied function quadvl ... Chapter 14 Statistical Description of Data 14.8 Savitzky-Golay Smoothing Filters nR gi = cnfi+n (14.8.1) n=−nL Here nL is the number of points used “to the left” of a data point i, i.e., earlier...

Ngày tải lên: 07/11/2013, 19:15

... convlv, a set of Savitzky-Golay filter coefficients nl is the number of leftward (past) data points used, while nr is the number of rightward (future) data points, making the total number of data points ... Figure 14.8.1 Top: Synthetic noisy data consisting of a sequence of progressively narrower bumps, and additive Gaussian white noise Center: Result of smoothing the data by a simple moving window ... center and lower panels.) The widths of the bumps (full width at half of maximum, or FWHM) are 140, 43, 24, 17, 13, and 10, respectively The middle panel of Figure 14.8.1 shows the result of smoothing...

Ngày tải lên: 15/12/2013, 04:15

... usually becomes Page of 22 delusional, and include delusions of exceptional mental and physical fitness or special talents It also may include delusions of wealth, and some kind of grandiose identity ... deprivation and guilt, helplessness and hopelessness, and ultimately thoughts of death and suicide The extent to which this negative way of thinking is primary or secondary is a matter of debate ... Mood Euthymia refers to the normal range of mood, and the absence of any disorder Mourning refers to the experience of sadness as a consequence of a loss of a loved one It includes, crying, sadness,...

Ngày tải lên: 08/08/2014, 23:21

... APPLICATIONS OF DATA AND INFORMATION FUSION FOO PEK HUI (M.Sc., B.Sc.(Hons.), NUS) A THESIS SUBMITTED FOR THE DEGREE OF DOCTOR OF PHILOSOPHY DEPARTMENT OF PHYSICS NATIONAL UNIVERSITY OF SINGAPORE ... military and civilian sectors, as well as ubiquity and advances in communication, computing and sensor technology In this project, we investigate various issues and applications of data and information ... decision maker and the data fusion system, with the aim of enhancing computeraided cognition 1.1 Research Objectives In this thesis, we study some issues and applications of data and information...

Ngày tải lên: 11/09/2015, 09:10

... deleted; the coordinates of branch point and of final point of virtual segments; and 5) the rank of branch point a Final data structure: ments resorting root seg- Growth and branching pattern analysis ... Each root segment contains some time information (time of emergence), spatial data (coordinates of its terminal and branching points) and a set of ’structural’ indexes (Table I): a sequential index ... correction of errors and for help in the search for particular points (e.g., picture enlarging, cursor, etc.) are also provided Data storage structure The data storage structure is made up of data...

Ngày tải lên: 09/08/2014, 02:21

... these design data from the meteorological stations of NOA and AUTh are not included neither in the climate data of ASHRAE [2] nor of the Hellenic Regulation on Energy Efficiency of Buildings ... winter and summer months for the two cities, and the energy requirements of the building were calculated for heating and cooling with temperature data of the decade 1983-1992 as well as of the ... 1983-1992 and 1993-2002 decades temperature data comparison of Athens and Thessaloniki reveals an increasing trend of the monthly average values, resulting in reduction of the average heating and in...

Ngày tải lên: 05/09/2013, 16:10

... Introduction for the security    Networks and exchanges of data Computer security The risks Networks and exchanges of data  For the exchange of the data, we've changed the technology    The ... simple reasons :    Data shared with the clients and the partners Propose different services Profitability Networks and exchanges of data   The connection between Internet and the company's network ... a large way with a lot of persons They can use this solution and they obtain a lot of services But Inside an Intranet we find a lot of data and information For the live of the company, they're...

Ngày tải lên: 09/12/2013, 17:22

... examples of these types of relationships in the top slide Answer: 1:1 Husband and wife; taxi and driver; machine and operator; ship and dock M:1 Orders and items; auto and occupants; plane and passengers ... challenges through good database design, you improve the performance of your database Overview of Data Modeling and Database Design 8Ć5 8Ć6 Introduction to Oracle: SQL and PL/SQL Using Procedure ... predefined, physical, and static The standard definition of an FK is that it refers to a PK or UK Overview of Data Modeling and Database Design 8Ć27 8Ć28 Introduction to Oracle: SQL and PL/SQL Using...

Ngày tải lên: 10/12/2013, 17:15

... challenges through good database design, you improve the performance of your database Overview of Data Modeling and Database Design 8Ć5 8Ć6 Introduction to Oracle: SQL and PL/SQL Using Procedure ... constraints For more information, see Develop Complex Data Models and Design Databases course description Overview of Data Modeling and Database Design 8Ć29 Map entities to tables Map attributes ... required for SQL command parsing D You should develop your own naming conventions and standards Overview of Data Modeling and Database Design 8Ć31 8Ć32 Introduction to Oracle: SQL and PL/SQL Using...

Ngày tải lên: 21/12/2013, 06:17

... required to give a full description of each leaf After this work with Chapter III., and the careful reading of the whole of Part I., the pupils can begin the description of trees, and, as the botanical ... THEIR DESCRIPTION Chapter I Roots Though but little study of the roots of trees is practicable, some knowledge of their forms, varieties, and parts is important The great office of the roots of ... the pile of plants and paper On account of the size of many leaves and flowerclusters, these pressed specimens of trees should not be shorter than from 12 to 15 inches, and even a length of 18 inches...

Ngày tải lên: 13/02/2014, 12:20

Ngày tải lên: 14/02/2014, 03:20

... Page i Fundamentals of OOP and Data Structures in Java Fundamentals of OOP and Data Structures in Java is a text for an introductory course on classical data structures Part One of the book presents ... handling, and model-view-controller design •Present and illustrate GUI software development with Java: use of AWT, Swing classes, event handling, and modelview-controller •Present a series of ... preoccupied with the manipulation of software objects OOP is a way of thinking about problem solving and a method of software organization and construction The concepts and ideas associated with object-oriented...

Ngày tải lên: 14/02/2014, 04:20

... disequilibrium and crisis And the degree and character of the anarchy and incoherence of SCP and of capitalism depends upon the relative importance and particular institutional underpinnings of the various ... form of crisis (and therefore the form of possibility of crisis) is thus the metamorphosis of the commodity itself; the contradiction of exchange-value and use-value, and furthermore of money and ... plus the profit of industrial and commercial enterprises to invested capital The net rate of profit is the ratio of industrial and commercial profits after the deduction of interest and rent -...

Ngày tải lên: 16/02/2014, 03:20