Data Science

Introduction

Data Science #1: Business Analytics

Business Analytics encompasses the utilization of large-scale data sets, commonly...

Data Science #2: Descriptive Analytics

The first branch of knowledge discovery in data bases is...

Data Science #3: Predictive Modelling

Prediction Models are built on data of the past. A...

Data Science #4: Data Preprocessing

Cleaning and transforming data sets is an important step in...

Statistical Primers

Linear Regression #1: Introduction

Introduction to the Linear Regression model by OLS and the...

Linear Regression #2: Model Specification

The Frisch-Waugh theorem helps to specify the linear regression model...

Linear Regression #3: Variable Selection

In Econometrics and Data Science, a necessary procedure in building...

Linear Regression #4: Model Selection Criteria

Let us define formal criteria for choosing the best model...