The caret package (short for classi cation and regression training) contains functions to streamline the model training process for complex regression and classi cation problems. The package utilizes a number of R packages but tries not to load them all at package start-up1. The package “suggests” field includes 27 packages. caret loads packages as needed and assumes […]
Waterfall The Waterfall Model assumes that distinct phases of development of a whole system exist for analysis, preliminary design, detailed design, coding and unit test, and system test. Documentation produced at the end of each phase provides the basis for work performed in the next phase of development. In the Waterfall Model, characterized by a […]
Here is a simple procedure to register employees of your company only to a system. For example, l have created a site that l want only users with email ending in @kofianalytics.com to be able to register on the site. That means, once the email is validated they will have access to the site. This […]
ETL Extraction Transformation Loading ETL Overview Extraction Transformation Loading – ETL To get data out of the source and load it into the data warehouse – simply a process of copying data from one database or source to another destination. Data is extracted from an OLTP database, transformed to […]