pseudo random number and data generation

Random sampling and generation over data streams and graphs

Random sampling and generation over data streams and graphs

... this thesis, we focus on random sampling and generation problems over data streams and large graphs We first conceptually indicate the relation between random sampling and generation We also introduce ... when one discusses random generation of synthetic databases Examples include fast generation of large synthetic database [45], generation of spatio-temporal datasets [105], data generation with ... chain and the empirical evaluation of mixing time 1.3.5 Fast Generation of Random Graphs Today, several database applications call for the generation of random graphs A fundamental, versatile random...

Ngày tải lên: 10/09/2015, 09:28

173 245 0
Báo cáo khoa học: Combining theoretical analysis and experimental data generation reveals IRF9 as a crucial factor for accelerating interferon a-induced early antiviral signalling pdf

Báo cáo khoa học: Combining theoretical analysis and experimental data generation reveals IRF9 as a crucial factor for accelerating interferon a-induced early antiviral signalling pdf

... kinases JAK1 and tyrosine kinase (TYK2) are activated in response to ligand binding to the receptor, and these kinases phosphorylate signal transducers and activators of transcription STAT1 and STAT2 ... Hansjorg Hauser and Didier ¨ ´ ´ ´ Trono (Ecole polytechnique federale de Lausanne EPFL, Lab of virology and genetics, Switzerland) for 4752 the supplied reagents We thank Sandra Manthey and Maria ... M, Kreutz C, Timmer J & Klingmuller U (2005) Quantitative data generation for systems biology: the impact of randomisation, calibrators and normalisers Syst Biol 152, 193–200 Schilling M, Maiwald...

Ngày tải lên: 23/03/2014, 03:20

14 432 0
Báo cáo khoa hoc:"Non-random mating for selection with restricted rates of inbreeding and overlapping generations" docx

Báo cáo khoa hoc:"Non-random mating for selection with restricted rates of inbreeding and overlapping generations" docx

... where q is the number of age-classes 2.2 Mating Two mating schemes described in Sonesson and Meuwissen [15] are used For random mating (RAND), sires and dams are allocated at random with a probability ... the RAND scheme of 3.0 and 4.7 years for sires and dams, respectively For the different levels of h2 , the same generation interval and number of selected animals were achieved with RAND and MC1 ... trait Overlapping generations Discrete generations 0.10, 0.25 and 0.65 or 0.25, 0.25 and 0.50 or 0.50, 0.25 and 0.25 0.25, 0.00 and 0.75 Parameters for schemes with overlapping generations Age...

Ngày tải lên: 09/08/2014, 18:21

17 216 0
Application of knowledge discovery and data mining methods in livestock genomics for hypothesis generation and identification of biomarker candidates influencing meat quality traits in pigs

Application of knowledge discovery and data mining methods in livestock genomics for hypothesis generation and identification of biomarker candidates influencing meat quality traits in pigs

... there are 6,769 datasets in GEO database (GEO Datasets B taurus, 2014) and (microarray and other high throughput data) and 765 (SRA Datasets B taurus, 2014) SRA experiments (NGS data) In case of ... target data set, data cleansing and preprocessing, data reduction and projection, choosing data mining task, choosing data mining algorithm, data mining, interpreting the mined patterns and consolidating ... slightly depending on the random seed (random number) chosen to initiate clustering The usual solution to this problem is to select a clustering result at random or supplying a random seed as a fixed...

Ngày tải lên: 25/11/2015, 13:26

157 535 0
TẠO số NGẪU NHIÊN (RANDOM NUMBER GENERATION)

TẠO số NGẪU NHIÊN (RANDOM NUMBER GENERATION)

... liên quan đến xấp xỉ nghiệm phương trình vi phân, tích phân CHƯƠNG I: RANDOM NUMBER GENERATION LÀ GÌ ? Random number generation (RNG) – tạo số ngẫu nhiên thiết bị tính toán thiết bị vật lý ... phương pháp nhân (multiplicative congruential random number generator) Nếu c ≠ 0, phương pháp gọi phương pháp đồng dư hỗn tạp (mixed congruential random number generator) Các LCG nhân (c=0) nhanh ... nhiên phân phối xác suất, Chương [5] http://en.wikipedia.org/wiki /Random_ function [6] http://en.wikipedia.org/wiki/Pseudorandom _number_ generator [7]http://www.stats.gla.ac.uk/steps/glossary/probability_distributions.html#contvar...

Ngày tải lên: 01/07/2016, 12:53

28 2,2K 8
Data warehuose and data mining

Data warehuose and data mining

... Environment • Subject = Customer • Data Warehouse Biến thời gian • Time • Data • 01/97 Data for January • • 02/97 Data for February • • 03/97 Data for March • • Data • Warehouse Ổn Định • Là lưu ... quan trong qui trình KDD Pattern Evaluation Data mining Task relevant data Data warehouse Data cleaning Knowledge Data integration selection Mục đích KTDL Data Mining Descriptive Predictive Classification ... Traditional Database • Data ware house • • • • • • • • Tích hợp Hiện hành – lịch sử Hướng chủ thể Bất biến Không chuẩn hóa Rõ ràng Tổng quát / chi tiết Người dùng : quản lý • Traditional Database...

Ngày tải lên: 18/01/2013, 16:15

36 481 0
60 Complex Random Variables and Stochastic Processes

60 Complex Random Variables and Stochastic Processes

... class of random variables, called circular complex random variables Circularity is a type of symmetry in the distributions of the real and imaginary parts of complex random variables and stochastic ... the random variables themselves are complex: the χ , F , and β distributions all describe real random variables functionally dependent on complex Gaussians Let z and q be independent scalar random ... the N numbers we call the “real parts” and the other N numbers we call the “imaginary parts” Likewise, a collection of N complex random variables is really just a collection of 2N real random...

Ngày tải lên: 25/10/2013, 02:15

19 499 0
Tài liệu The UML and Data Modeling pptx

Tài liệu The UML and Data Modeling pptx

... the 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 ... relational and object relational databases1 from business requirements through the physical data model However, modeling of the physical data model must express a detailed description of the database ... oriented databases are supported by UML through modeling of persistent classes Data Modeling Profile for UML is not yet approved by OMG The UML and Data Modeling The possible representations of a Database...

Ngày tải lên: 10/12/2013, 15:15

11 588 0
Tài liệu Bài 2: Random Vectors and Independence pdf

Tài liệu Bài 2: Random Vectors and Independence pdf

... independence generalizes in a natural way for more than two random variables, and for random vectors Let ::: be random vectors xyz 28 RANDOM VECTORS AND INDEPENDENCE which may in general have different ... different random vectors, and , i = : : : m, some nonrandom scalar coefficients Then m m X aixig X fxig (2.16) x Ef A and = i=1 i=1 E Linear transformation Let be an m-dimensional random vector, and ... (Electronic) Random Vectors and Independence In this chapter, we review central concepts of probability theory,statistics, and random processes The emphasis is on multivariate statistics and random...

Ngày tải lên: 13/12/2013, 14:15

43 430 0
Tài liệu Understanding Data Sources and Data Formats pdf

Tài liệu Understanding Data Sources and Data Formats pdf

... dynamically generate and send to the user's browser an HTML-formatted page containing the latest news (probably extracted from a database) Server-side scripts can return data in both the XML and URL string ... Flash movie (as a projector or online), the data created while the movie was playing (user's name, last section visited, and so on) is saved This data can be retrieved the next time the user ... can store not only variables and their values, but any kind of data object, including arrays, XML objects—even custom objects You can make this process of saving data transparent to users, or...

Ngày tải lên: 14/12/2013, 22:15

4 442 0
Tài liệu Windows Forms Controls and Data Binding ppt

Tài liệu Windows Forms Controls and Data Binding ppt

... appears displaying a tree view of data sources Expand the Other Data Sources node, expand Project Data Sources, expand NorthwindDataSet, expand NumProductsTable, and then click NumProducts This ... Properties window, click the DataSource property Click the drop-down menu that appears Expand Other Data Sources, expand Project Data Sources, expand NorthwindDataSet, and click Suppliers This action ... TableAdapter class called DataTable1TableAdapter, and a corresponding DataTable class called DataTable1, appear in the DataSet Designer window 15 In the DataSet Designer window, click the DataTable1 item...

Ngày tải lên: 15/12/2013, 00:15

9 410 1
Tài liệu Understanding static Methods and Data ppt

Tài liệu Understanding static Methods and Data ppt

... purely to act as a holder of utility methods and fields A static class cannot contain any instance data or methods, and it does not make sense to try and create an object from a static class by ... methods, and called both of these types of methods You have also implemented instance and static fields You have seen how to make fields and methods accessible by using the public keyword, and how ... the program and return to Visual Studio 2005 Congratulations You have successfully created a class, and used constructors to initialize the fields in a class You have created instance and static...

Ngày tải lên: 15/12/2013, 00:15

6 357 0
Tài liệu MACH NUMBER and AIRSPEED vs ALTITUDE docx

Tài liệu MACH NUMBER and AIRSPEED vs ALTITUDE docx

... 1.4 1.3 1.2 TRUE MACH NUMBER - M 1.1 1.0 0.9 0.8 Figure TAS and CAS Relationship with Varying Altitude and Temperature (Continued) 8-2.2 100 TRUE AIRSPEED - KNOTS Figure Mach Number vs TAS Variation ... 300 200 100 1.0 0.9 C 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0 TRUE MACH NUMBER - M Figure TAS and CAS Relationship with Varying Altitude and Temperature 1800 1700 1600 1500 1400 TRUE AIRSPEED - KNOTS ... wave: DAVa = (D+dp)A(Va + dVa) [5] Expanding and dropping insignificant terms gives: dVa = -Va dD/D [6] Using Newton's second law (p + DVa/2 = a constant) and taking derivatives: dp = -DVadVa...

Ngày tải lên: 17/12/2013, 06:15

3 538 1
Tài liệu Business Analytics and Data Warehousing docx

Tài liệu Business Analytics and Data Warehousing docx

... Industry understanding in the past – BI-DWH is about bank profitability & risk, retention and acquisition, not just reporting – Understanding your customer (customer data) , automation and integration ... understand what is being done with their products and services and how they impact a customer’s life and lifestyle • Accelerate decision time make analytic-based decisions in seconds and pervasive ... Data Warehouse Enabling Analytics to Provide Business Insight What is Data Warehouse? Definitions “A Data Warehouse is a subjectoriented, integrated, time-variant, nonvolatile collection of data...

Ngày tải lên: 20/12/2013, 17:15

35 522 0
Tài liệu Fundamental Numerical Methods and Data Analysis doc

Tài liệu Fundamental Numerical Methods and Data Analysis doc

... 201 b Probabilities and Random Variables 202 c Distributions of Random Variables 203 7.2 Common Distribution Functions .204 a Permutations and Combinations ... irrelevant and will skip it Certainly it is not necessary to understand covariance and contravariance or the notion of tensor and vector densities in order to numerically interpolate in a table of numbers ... experience and that they form the fundamental basis for understanding vector algebra and calculus While the notions of set and group theory are not directly required for the understanding of cubic...

Ngày tải lên: 20/12/2013, 19:15

285 473 0
Tài liệu Activity 3.1: Identifying Data-Related Use Cases and Data Requirements docx

Tài liệu Activity 3.1: Identifying Data-Related Use Cases and Data Requirements docx

... time and billing information Managers approve data corrections Managerial data, time and billing information, customer information Administrative assistant corrects data errors Managerial data ... 8 Activity 3.1: Identifying Data- Related Use Cases and Data Requirements Exercise 1: Identifying Use Cases that Require Data In this exercise, you will identify data requirements from the provided ... Managers print invoices Final time and billing information Activity 3.1: Identifying Data- Related Use Cases and Data Requirements Exercise 2: Identifying Hidden Data Requirements In this exercise,...

Ngày tải lên: 21/12/2013, 06:16

4 390 0
Tài liệu tables description and data doc

Tài liệu tables description and data doc

... MAX_IN_STOCK OUT_OF_STOCK_EXPLANATION RESTOCK_DATE Table Descriptions and Data Type NUMBER( 7) NUMBER( 7) NUMBER( 9) NUMBER( 9) NUMBER( 9) VARCHAR2(255) DATE BĆ11 S_INVENTORY Table continued SQL> SELECT ... QUANTITY_SHIPPED BĆ16 Null? Type NOT NULL NUMBER( 7) NOT NULL NUMBER( 7) NOT NULL NUMBER( 7) NUMBER( 11,2) NUMBER( 9) NUMBER( 9) Introduction to Oracle: SQL and PL/SQL Using Procedure Builder S_ITEM ... VARCHAR2(255) NUMBER( 7) VARCHAR2(25) NUMBER( 7) NUMBER( 11,2) NUMBER( 4,2) Introduction to Oracle: SQL and PL/SQL Using Procedure Builder S_EMP Table continued SQL> SELECT * FROM s_emp; Table Descriptions and...

Ngày tải lên: 21/12/2013, 06:17

26 398 0

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