theory Tag

15 JanAssumptions of Linear Regression

Linear regression is one of the most popuar econometrics models. In this post you will learn that in order to define correctly a linear regression model, certain assumptions must be true....

14 JanA Brief Introduction to Linear Regression

Linear regression is one of the most popuar econometrics models. In this post we will make a gentle introduction to some mathematical formulas describing the linear regression process....

20 DecChecking for Stationarity in Time Series

In this post you will learn the steps to take in order to decide whether a time series is stationary or not by inspecting graphically and statistically the time series....

18 DecBasic Concepts in Time Series Analysis (Part-4)

In this post, the fourth of the sereis regarding time series analysis, we will discuss about stationarity, an important concept in time series analysis....

10 DecBasic Concepts in Time Series Analysis (Part-3)

In this third post about time series analysis, you will learn about the two main categories in forecasting modeling of time series....

12 NovBasic Concepts in Time Series Analysis (Part-1)

This post will be the first of a series of posts discussing about time series concepts. Here, we will briefly discuss on the definition of time series. Time series is a sequence of numerical data points in successive order (time). Their mathematical formulation is a...