example of data management processes description

Statistical Description of Data part 1

Ngày tải lên : 20/10/2013, 17:15

... 610 Chapter 14 Statistical Description of Data CITED REFERENCES AND FURTHER READING: Bevington, P.R 1969, Data Reduction and Error Analysis for the Physical Sciences ... sums of integer powers of the values Best known is the mean of the values x1 , , xN , x= N N xj (14.1.1) j=1 which estimates the value around which central clustering occurs Note the use of ... 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...

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Statistical Description of Data part 2

Ngày tải lên : 24/10/2013, 15:15

... definitions into sums of various powers of the data, e.g., the familiar    N  x2  − N x2  ≈ x2 − x2 (14.1.7) Var(x1 xN ) = j N −1 614 Chapter 14 Statistical Description of Data Semi-Invariants ... significance of a difference 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 ... the first moment of the tails is large; it is easy to construct examples where the first moment of the tails is large even though their area is negligible To find the median of a set of values, one...

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Statistical Description of Data part 3

Ngày tải lên : 24/10/2013, 15:15

... for N − degrees of freedom The routine is #include void tptest(float data1 [], float data2 [], unsigned long n, float *t, float *prob) Given the paired arrays data1 [1 n] and data2 [1 n], this ... void 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 ... can be given lists of individual burnout times or of stellar positions The data sets on chicken pox and educational level are binned, since we are given tables of numbers of events in discrete...

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Statistical Description of Data part 4

Ngày tải lên : 28/10/2013, 22:15

... 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 ... 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 ... 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...

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Statistical Description of Data part 5

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 ... since the total of the column totals and the total of the row totals both equal N , the total number of data points Therefore, if the table is of size I by J, the number of degrees of freedom is...

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Statistical Description of Data part 6

Ngày tải lên : 07/11/2013, 19:15

... Statistical Description of Data Equations (14.5.7) and (14.5.8), when they are valid, give several useful statistical tests For example, the signiﬁcance level at which a measured value of r differs ... respectively, the number of data points in the measurement of r1 and r2 All of the signiﬁcances above are two-sided If you wish to disprove the null hypothesis in favor of a one-sided hypothesis, ... concept of nonparametric correlation is this: If we replace the value of each xi by the value of its rank among all the other xi ’s in the sample, that is, 1, 2, 3, , N , then the resulting list of...

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Statistical Description of Data part 7

Ngày tải lên : 07/11/2013, 19:15

... trade@cup.cam.ac.uk (outside North America) D= 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, ... 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...

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Statistical Description of Data part 8

Ngày tải lên : 07/11/2013, 19:15

... 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 ... 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 their results, one finds that the significance ... number of points as the real data set Compute D for each synthetic data set, using the accompanying computer routines (but ignoring their calculated probabilities), and count what fraction of the...

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Tài liệu Statistical Description of Data part 9 pptx

Ngày tải lên : 15/12/2013, 04:15

... 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 ... Luckily, since the process of least-squares fitting involves only a linear matrix inversion, the coefficients of a fitted polynomial are themselves linear in the values of the data That means that we...

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Tài liệu Capabilities, Processes, and Performance of Knowledge Management: A Structural Approach pptx

Ngày tải lên : 24/01/2014, 00:20

... challenge is to clarify the role of knowledge management processes To explore the role of knowledge management processes, this study adopts the eight knowledge processes proposed by Ruggles (1998): ... knowledge management consists of processes to manage knowledge and enablers (or capabilities) to support these processes They also argue that knowledge management enablers consist of organizational ... information technology support 2.2 Processes A number of studies have addressed knowledge management processes; they divide knowledge management into several processes (Alavi & Leidner, 2001;...

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Computer Simulation of General and Flag Officer Management - Model Description and Results ppt

Ngày tải lên : 29/03/2014, 14:20

... 0.0 Average number of officers in joint pool Average number of officers in other external positions Average number of officers in all external positions Maximum allowed number of officers in all external ... Number of periods since becoming an O-6 Number of periods in current grade Number of periods in current position Number of the position the of cer currently fills Number of the position the of cer ... objectivity Computer Simulation of General and Flag Officer Management Model Description and Results Peter Schirmer Sponsored by the Office of the Secretary of Defense Approved for public release;...

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Báo cáo lâm nghiệp: "Environmental risk assessment based on semi-quantitative analysis of forest management data" pptx

Ngày tải lên : 07/08/2014, 10:21

... impacts of windstorms with subsequent bark beetle outbreaks comprise a typical forest disturbance regime Description of variables Data from forest management plans in use at the beginning of the ... level of both present-day and past air pollution load, spatially expressed by “zones of pollution threat” according to forest management legislation in Slovakia the reliability of systematic management ... towards the focus of biotic pest activity also plays a role as the increasing proportion of spruce, higher level of initial damage, and management uncertainty (for variable descriptions see Table 1)...

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Báo cáo y học: "A consensus-based template for uniform reporting of data from pre-hospital advanced airway management" ppt

Ngày tải lên : 13/08/2014, 23:21

... contain information on the "data point number", "data point name", "descriptive field name", "type of data" , "data point category/value", "definition of data point", "source of data information", and ... http://www.sjtrem.com/content/17/1/58 Table 3: Core post-intervention variables Data variable number Data variable name Type of data Data variable categories or values Definition of data variable 16 Post-intervention ventilation ... http://www.sjtrem.com/content/17/1/58 Table 4: Fixed system variables Data variable number Data variable name Type of data Data variable categories or values Definition of data variable Population Continuous Number Area...

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the role of supply chain processes and information sharing in supply chain management

Ngày tải lên : 02/11/2014, 00:47

... impressive impact on supply chain management While the concept of information technology management covers many aspects of a supply chain, the focus of information technology management in this dissertation ... quality is the basic foundation of operations The review of quality management literature has led to the identification of good quality management practices: total quality management (TQM); statistical ... CITCs of Plan Scale…………………… Original Factor Loadings of Source Scale…………………………… Original CITCs of Deliver Scale……………………………………… Original CITCs of Return Scale……………………………………… Original CITCs of Supply...

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The four project management processes of leadership and management

Ngày tải lên : 06/12/2015, 04:04

... Ruffin Veal on Leadership, Part of page A summary of our Project Management and Leadership responsibilities can be condensed into what I call the four processes of Management and Leadership They ... high level of energy and enthusiasm in people 4) Evaluation of the Outcome We evaluate the success of our management approach by comparing our results to our management agenda The goal of that agenda ... Developing a Team 3) Execution of the Agenda 4) Evaluation of the Outcome First of all, we will address each process by determining the individual responsibilities of Management and Leadership for...

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Bullding tables of data

Ngày tải lên : 03/10/2013, 00:20

... System .Data. DataTable(); System .Data. DataTable namedTable = new System .Data. DataTable("Customer"); Visual Basic Dim unnamedTable As New System .Data. DataTable() Dim namedTable As New System .Data. DataTable("Customer") ... implementation of a DataTable object is somewhat different Instead of one large grid layout, ADO.NET maintains tabular data as a collection of collections Each DataTable object contains a collection of ordered ... Normalization is the process of crafting tables that ensure data integrity and take advantage of the processing power of relational database systems E.F Codd, inventor of the relational database model, proposed...

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An example of table content

Ngày tải lên : 15/10/2013, 03:11

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Modeling and Simulation of Microbial Depolymerization Processes of Xenobiotic Polymers

Ngày tải lên : 25/10/2013, 08:20

... factor of the degradation rate σ (t ) is an exponential function of time σ (t ) = e at +b In view of Eq (12.8) (12.13) 291 292 12 Modeling and Simulation of Microbial Depolymerization Processes of ... and Simulation of Microbial Depolymerization Processes of Xenobiotic Polymers 12 13 14 15 16 17 of xenobiotic polymers with experimental data introduced into analysis Proceedings of the 7th Biennial ... depolymerization processes Hydrolysis is often involved in endogenous type epolymerization processes, while oxidation plays an essential role in exogenous type depolymerization processes One of the characteristics...

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Certificate of Business Management

Ngày tải lên : 05/11/2013, 13:15

... tập © THE INTERNATIONAL PRACTICAL BUSINESS MANAGEMENT www.ipm.edu.vn 39 Certificate of Business Management Part II © THE INTERNATIONAL PRACTICAL BUSINESS MANAGEMENT www.ipm.edu.vn 40 Marketing … ... BUSINESS MANAGEMENT www.ipm.edu.vn The Marketing Environment Source: Hoffman et al 2003, Marketing: Best Practices, 2e, Thomson, South-Western, Ohio, USA © THE INTERNATIONAL PRACTICAL BUSINESS MANAGEMENT ... BUSINESS MANAGEMENT www.ipm.edu.vn 28 How To Win New Business Emotional connection – family values Shared set of values – Integrity Marketing Consistent message Read, relate, reflect issues of concern...

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Principles of data mining

Ngày tải lên : 07/12/2013, 11:40

... boundaries of the data mining part of the process are not easy to state; for example, to many people data transformation is an intrinsic part of data mining In this text we will focus primarily on data ... § Unless the data set is very large, few data management problems arise with regression algorithms Simple summaries of the data (the sums, sums of squares, and sums of products of the X and Y ... apparent in small data sets Moreover, as we commented above, often the object of data mining is to make some inferences beyond the available database For example, in a database of astronomical...

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