DATA MODELS ppsx

Ngày tải lên: 01/08/2014, 09:22

... EF data: retrieving entity data using Entity SQL and accessing objects directly through the Entity Framework’s Object Services layer. Dwonloaded from: iDATA.ws Chapter 14 Visualizing Data Models ... Choose Model Contents panel, select Generate From Database; then click Next. Dwonloaded from: iDATA.ws 225 Chapter 14 Visualizing Data Models After completing this chapter, you w...

Ngày tải lên: 03/10/2013, 00:20

... 3 ■ DATA MODELS, DATASETS, AND THE ADO.NET INTERFACE62 8547ch03final.qxd 8/30/07 4:10 PM Page 62 Figure 3-4. Database node after attaching RealWorld sample database Gathering Data into a Dataset As ... the data source and make a call to ExecuteReader() to open the data reader stream for the DataReader object. Finally, a DataReader object is used to get the data that is streaming f...

Ngày tải lên: 05/10/2013, 08:48

... Conditions and Moment Restrictions in Dynamic Panel Data Models, Journal of Econometrics, 87, pp. 115-143. [12] Chamberlain, G. (1984): Panel Data, in Handbook of Econometrics, Vol 2, eds. Z. Griliches ... Normalized Instrumental-Variable Estimation using Panel Data, Journal of Business and Eco- nomic Statistics, 17, pp. 36-49. [6] Arellano, M. (2003): Panel Data Econometrics, Oxford U...

Ngày tải lên: 05/03/2014, 18:20

... relative clauses. Many database interfaces have such capabilities, McCord (1982), Dahl (1982) and Warren and Pereira (1982) inter a//a. 245 Acquisition of Conceptual Data Models from Natural ... other applied NL systems such as database and operating system interfaces. Within this problem class, the specific task of obtaining explicit conceptual data models from natural langu...

Ngày tải lên: 09/03/2014, 01:20

... languages and data models to support efficiently continuous queries on stream data, and is based on the sound rationale that, since many applications will span traditional databases and data streams, ... Query Languages and Data Models for Database Sequences and Data Streams Yan-Nei Law Haixun Wang 1 Carlo Zaniolo Computer Science Dept., ... Int. Conference on Data Mining, pages...

Ngày tải lên: 23/03/2014, 12:20

... from a query run against a database, that contains all the data that you want to analyze. To get this data, you probably asked IT to provide some means to access the database and a specific query ... referred to as the “Excel data model.” The two terms relate to the very same technology: the Excel data model is, in reality, a PowerPivot database; and the PowerPivot database is stored i...

Ngày tải lên: 07/04/2014, 15:07

... second dataset has a thousand performance data (dataset2) based on human talent performance factors. In many cases, simulated or syntactic data is an ideal data and can produce a good data mining ... currently in the databases is impossible to use this type of research. Knowledge-Oriented Applications in Data Mining 10 0 20 40 60 80 100 120 Dataset1 Dataset2 Dataset3 Dataset...

Ngày tải lên: 29/06/2014, 14:20

... retains the individual values of the data. 4.5 Histograms A common method for displaying continuous data is a histogram. In order to construct a histogram the data range is divided into several ... sex. 2.00 1.90 1.80 1.70 Height in metres (b) 1.60 1.50 1.40 Men (n ϭ 77) Women (n ϭ 145) Displaying quantitative data 35 (when the data are ordered), as 38 observations lie below this...

Ngày tải lên: 04/07/2014, 09:20

... be produced for those individuals who had data on all dimensions. 7.5 Plots for displaying outcome data A useful plot for displaying continuous outcome data, when there are mul- tiple variables ... for the HRQoL data in Table 7.4 is the spider or radar plot. Figure 7.1 shows a radar plot for the mean SF-36 dimension scores, at 12 months follow-up, by treatment group for the data...

Ngày tải lên: 04/07/2014, 09:20