Introduction to Data Preprocessing and its Types
What is Data preprocessing? Data preprocessing is a data mining technique that involves transforming incomplete, inconsistent, and/or noisy data which…
What is Data preprocessing? Data preprocessing is a data mining technique that involves transforming incomplete, inconsistent, and/or noisy data which…
What is Data Mart? Data mart is subset of data warehouse oriented to particular business subject line. The data mart…
In several sectors, data mining and knowledge discovery is becoming a critical technology for businesses and researchers. While data mining…
Data sets are made up of data objects. A data object represents an entity. Examples: – sales database: customers, store…
Knowledge Discovery in Databases (KDD) Knowledge Discovery in a database is the process of discovering useful knowledge from a collection…
Data mining functions are used to define the kind of patterns that will be discovered during data mining jobs. Some…
Motivation for Data Mining Over the last three decades, the steady and remarkable advancement of computer hardware technology has resulted…
Components of Data Warehouse A typical data warehouse consists of four major components: a central database, ETL (extract, transform, and…
Three-tier data warehouse architecture is the most widely used architecture of data warehouse as it produces a well-organized data flow…
The conceptual data model is a structured business view of data required to support business, processes,record business events and track…