Mamdouh Refaat – Medium

Mamdouh Refaat

Data Science Basics: (8) Data Preparation

Data 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 25

Data Science Basics: (8) Data Preparation

May 25

Mamdouh Refaat

The Logic and Relationship between Machine Learning Models

Pick 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 17

The Logic and Relationship between Machine Learning Models

May 17

Mamdouh Refaat

SLC 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 11

SLC Bits: (3) Seven Common Procedures (proc’s)

May 11

Mamdouh Refaat

Data Science Basics: (8) Correlation Analysis

Correlation analysis is a popular tool used by engineers, scientists, statisticians, and data scientists to establish and explain the…

May 3

Data Science Basics: (8) Correlation Analysis

May 3

Mamdouh Refaat

SLC Bits: (2) introduction to Data Step Programming

The data step, a vital component of the SAS language, is a powerful tool for creating, modifying, and storing data. This article will…

May 1

SLC Bits: (2) introduction to Data Step Programming

May 1

Mamdouh Refaat

Data Science Basics — (7) The Weight of Evidence (WOE) Transformation

The weight of evidence transformation serves three primary purposes:

Apr 26

Data Science Basics — (7) The Weight of Evidence (WOE) Transformation

Apr 26

Mamdouh Refaat

SLC Bits: (1) An Introduction to the Altair Analytics Workbench

This 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 24

SLC Bits: (1) An Introduction to the Altair Analytics Workbench

Apr 24

Mamdouh Refaat

Data Science Basics — (6) Sampling

What is the minimum sample size?

Apr 19

Data Science Basics — (6) Sampling

Apr 19

Mamdouh Refaat

Deep Learning is Regression

A good part of the current hype of AI today is the fascination with neural networks, their terminology, and the ongoing myth that they work…

Apr 13

Deep Learning is Regression

Apr 13

Mamdouh Refaat

Back 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…

Apr 5

Back to Programming in SAS!

Apr 5

Mamdouh Refaat

Mamdouh Refaat

I am the Chief Data Scientist in Altair Engineering. I have been working in ML and AI for over 25 years in business and engineering applications.

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