core data editor for mac

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Ngày tải lên: 09/08/2013, 15:00

... Oracle Data Provider for .NET 1-1 1 Introducing Oracle Data Provider for .NET This chapter introduces Oracle Data Provider for .NET (ODP.NET), an implementation of a data provider for the Oracle database. This ... Documentation For more information, see these Oracle resources: ■ Oracle Database Installation Guide for Windows ■ Oracle Database Release Notes for Windows ■ Oracle Database Platform Guide for Windows ■ Oracle ... usage information for Oracle Data Provider for .NET. Oracle Data Provider for .NET is an implementation of the Microsoft ADO.NET interface. This document describes the features of Oracle Database...

Ngày tải lên: 18/10/2013, 17:15

... prepare the data set for mining—to best expose the information contained in it to the mining tool. Indeed, the whole purpose for mining data is to transform the information content of a data set ... 0.625 2.5 Transformations and Difficulties—Variables, Data, and Information Much of this discussion has pivoted on information—information in a data set, information content of ... various scales, and transforming information. The concept of information is crucial to data mining. It is the very substance enfolded within a data set for which the data set is being mined....

Ngày tải lên: 24/10/2013, 19:15

... execution data is in its “raw” form, and the model works only with prepared data, it is necessary to transform the execution data in the same way that the training and test data were transformed. ... environment, the data set may be in any machine-accessible form. For ease of discussion and explanation, it will be assumed that the data is in the form of a flat file. Also, for ease of illustration, ... chose for carrying away purchases. This kind of information may be useful and informative, but the structure created to capture data has no place to put it. Macrostructure concerns the formatting...

Ngày tải lên: 24/10/2013, 19:15

... the data is the place to start. So what is the “hare” in data? The hare is the information content enfolded into the data set. Just as hare is the essence of the recipe for Jugged Hare, so information ... original data set. The data preparation software creates this variable and captures information about the missing value patterns. For each pattern of missing values in the data set, the data preparation ... understand the data. Once the assay is completed, the mining data set, or sets, can be assembled. Given assembled data sets, much preparatory work still remains to be done before the data is...

Ngày tải lên: 29/10/2013, 02:15

... not only for numerating the alphas, but also for conducting the data survey and for addressing various problems and issues in data mining. Becoming comfortable with the concept of data existing ... there is a data set CREDIT. This includes a sample of real-world credit information. One of the fields in that data set is “DAS,” which is a particular credit score rating. All of the data used ... what a data miner starts with as a source data set is almost always a sample and not the population. When preparing variables, we cannot be sure that the original data is bias free. Fortunately,...

Ngày tải lên: 29/10/2013, 02:15

... include such features as creating a pseudo-variable for “North,” one for “South,” another for “East,” one for “West,” and perhaps others for other features of interest, such as population density ... from there to each of the nearest data points in each dimension. The mean distance to neighboring data points serves as a surrogate measurement for density. For many purposes this is a more ... Because for much of this curve, there is no single value of y for every value of x. Take the point x = 0.7, for example. There are three values of y: y = 0.2, y = 0.7, and y = 1.0. For a single...

Ngày tải lên: 08/11/2013, 02:15

... putting data into the multitable structures called “normal form” in a database, data warehouse, or other data repository.) During the process of manipulation, as well as exposing information, ... number of sample data sets. During training, there is one data set for building the PIE, one (probably the same one) for building a model, and one (definitely a separate one) for testing the ... the most information, or at least does the least damage to existing information. The only time that an alpha variable’s label values come again to the fore is in the Prepared Information Environment...

Ngày tải lên: 08/11/2013, 02:15

... least harm to the information content of the data set. Yet it still leaves some information exposed for the mining tools to use when values outside those within the sample data set are encountered. ... are somehow regularized. For instance, one such tool for a particular data set could, when fine-tuned and adjusted, do just as well with unprepared data as with prepared data. The difference was ... manifold, in the form of a straight line, through the two-dimensional state space formed by the two variables. Figure 8.3 shows this for three of the variables in the CARS data set. ...

Ngày tải lên: 08/11/2013, 02:15

... of the test machine: completely automatic machine and semiautomatic machine. The first one gives exactly the results of experiment and convenience for examiner but its cost is very high. The ... some commercial automatic testing machines available in domestic market. However, it cannot be used with the exit testing machine in companies. To be convenient for users, this study proposes ... equipment is made in Vietnam. All companies use the axial test machines imported from foreign countries. One of the most common test machines used in Vietnam now is imported from China because...

Ngày tải lên: 10/12/2013, 06:15

... Series Data Series data differs from the forms of data so far discussed mainly in the way in which the data enfolds the information. The main difference is that the ordering of the data ... Figure 9.11 Waterforms and their correlograms. 9.4 Modeling Series Data Given these tools for describing series data, how do they help with preparing the data for modeling? There ... descriptions of features of nonseries data and various methods for manipulating the identified features to expose information content. This chapter does the same for series data and so has two main tasks:...

Ngày tải lên: 15/12/2013, 13:15

... transform accomplishes this. The second transform subtracts the mean of the transformed variable from each transformed value, and divides the result by the standard deviation. The formula for ... second transform subtracts the mean of the transformed variable from each transformed value, and divides the result by the standard deviation. The formula for this second transformation is ... noisy or distorted series data. They have involved extracting a variety of waveforms from the original waveform that emphasize particular aspects of the data useful for modeling. But whatever...

Ngày tải lên: 15/12/2013, 13:15

... back-propagated error. The formula for this arrangement of weights is exactly the formula for a straight line: y n x a 0 + b n x n So, given this formula, exactly what effect ... function can be expressed as a formula, just as the formula for determining the value of the logistic function is For convenience, this whole formula can be taken as a given ... of the survey, rather than data preparation? Data preparation concentrates on transforming and adjusting variables’ values to ensure maximum information exposure. Data surveying concentrates...

Ngày tải lên: 15/12/2013, 13:15

... a mining tool.” “Information is contained in variability.” Information, information, information. Clearly, “information” is a key feature of data preparation. In fact, information—its discovery, ... useful information. Also, information theory can be used to examine data as instances, data as variables, the data set as a whole, and various parts of a data set. Entropy and mutual information ... example of data sets A and B, for data set A with four system states that number is log 2 (4) = 2 bits. For data set B with two system states the information content is log 2 (2) = 1 bit. So for four...

Ngày tải lên: 15/12/2013, 13:15

... variability of a data set is captured, entropic analysis forms the main tool for surveying data. The other tools are useful, but used largely for exploring only where entropic or information analysis ... note that this data reduction activity is not properly part of the data survey. The survey only looks at and measures the data set presented. While it provides information about the data set, it ... of the instances can be assembled into a data set, and that data set examined for similarity to the training data set, but that only tells you that the data set now assembled was or wasn’t drawn...

Ngày tải lên: 15/12/2013, 13:15