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Ginni has Published 1580 Articles
Ginni
228 Views
A frequent problem in data mining is that of utilizing a regression equation to forecast the value of a dependent variable when it can have several variables available to select as predictors in this model.Another consideration favoring the inclusions of numerous variables in the hope that a previously hidden relationship ... Read More
Ginni
400 Views
A heatmap is a graphical display of numerical data where color is used to denote values. In a data mining context, heatmaps are especially useful for two purposes − for visualizing correlation tables and for visualizing missing values in the data. In both cases, the information is conveyed in a ... Read More
Ginni
243 Views
Data Visualization defines the visual representation of data with the support of comprehensive charts, images, lists, charts, and multiple visual objects. It allows users to simply learn the data within a fraction of time and extract useful data, patterns, and trends. Furthermore, it creates the data simply to understand.In other ... Read More
Ginni
4K+ Views
Data mining is the process of finding useful new correlations, patterns, and trends by transferring through a high amount of data saved in repositories, using pattern recognition technologies including statistical and mathematical techniques. It is the analysis of factual datasets to discover unsuspected relationships and to summarize the records in ... Read More
Ginni
318 Views
Data mining is the process of finding useful new correlations, patterns, and trends by transferring through a high amount of data saved in repositories, using pattern recognition technologies including statistical and mathematical techniques. It is the analysis of factual datasets to discover unsuspected relationships and to summarize the records in ... Read More
Ginni
218 Views
Fact tables involve a composite primary key, which includes multiple foreign keys (one for each dimension table) and a column for each measure that uses these dimensions.Every data staging process must include a step for replacing the production IDs in the incoming fact table record with the data warehouse surrogate ... Read More
Ginni
3K+ Views
Data Warehousing is a technique that is mainly used to collect and manage data from various sources to give the business a meaningful business insight. A data warehouse is specifically designed to support management decisions.In simple terms, a data warehouse defines a database that is maintained independently from an organization’s ... Read More
Ginni
2K+ Views
The simplest form of encryption is symmetric key encryption. This kind of encryption is also called private key encryption. With symmetric-key encryption, a single secret key can both lock the information and unlock the information.Symmetric key encryption is mainly interesting in two situations −Private encryption of data − The user ... Read More
Ginni
3K+ Views
The directory server is a type of data warehouse of resources accessible on the related network. Resources such as database devices, individual databases, file repositories, transaction systems, file storage areas, printers, and people.The people descriptions include names and addresses, organization roles, e-mail addresses, and more. The directory server reveals selected ... Read More
Ginni
127 Views
The size of the desktop machine is based on the characteristics of the user and the related tool requirements. A casual user whose data required are met by HTML document through a Web browser needs only as much power as it takes to run the internet browser.On the other hand, ... Read More