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…6 min read·May 25, 2024----
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…12 min read·May 17, 2024----
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…6 min read·May 11, 2024----
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…6 min read·May 3, 2024----
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…6 min read·May 1, 2024----
Mamdouh RefaatData Science Basics — (7) The Weight of Evidence (WOE) TransformationThe weight of evidence transformation serves three primary purposes:5 min read·Apr 26, 2024----
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…5 min read·Apr 24, 2024----
Mamdouh RefaatData Science Basics — (6) SamplingWhat is the minimum sample size?8 min read·Apr 19, 2024----
Mamdouh RefaatDeep Learning is RegressionA good part of the current hype of AI today is the fascination with neural networks, their terminology, and the ongoing myth that they work…7 min read·Apr 13, 2024----
Mamdouh RefaatBack to Programming in SAS!Over the last decade, Python has become synonymous with data science. It is almost expected that all data scientists can program in Python…7 min read·Apr 5, 2024----