Mamdouh RefaatData Science Basics: (9) Univariate Analysis of Continuous VariablesIn machine learning, we classify variables used in models into three general types: nominal, ordinal, and continuous. In this article, we…Jun 9Jun 9
Mamdouh RefaatData Science Basics: (8) Data PreparationData preparation is the most critical and time-consuming step in the modeling process. It can take up to 80% of the total project time…May 25May 25
Mamdouh RefaatThe Logic and Relationship between Machine Learning ModelsPick any book on data science, and there are many excellent ones. You will find that models are usually classified according to the type of…May 17May 17
Mamdouh RefaatSLC Bits: (3) Seven Common Procedures (proc’s)“proc’s”, the backbone of the SAS language, hold the key to efficient data management and transformation. In this article, we delve into…May 11May 11
Mamdouh RefaatData Science Basics: (8) Correlation AnalysisCorrelation analysis is a popular tool used by engineers, scientists, statisticians, and data scientists to establish and explain the…May 3May 3
Mamdouh RefaatSLC Bits: (2) introduction to Data Step ProgrammingThe data step, a vital component of the SAS language, is a powerful tool for creating, modifying, and storing data. This article will…May 1May 1
Mamdouh RefaatData Science Basics — (7) The Weight of Evidence (WOE) TransformationThe weight of evidence transformation serves three primary purposes:Apr 26Apr 26
Mamdouh RefaatSLC Bits: (1) An Introduction to the Altair Analytics WorkbenchThis is the first article in the “SLC Bits” series, where I will present the concepts of programming the SAS language using Altair SLC. The…Apr 24Apr 24