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Singular Spectrum Analysis with Python

Time Series Analysis
In this article, I will talk about Singular Spectrum Analysis (SSA) and its implementation in Python. For the sake of simplicity, I will use the univariate time series and will implement basic SSA without forecasting capability.…
Aug 10, 2021
Nodar Okroshiashvili

Advance Linear Algebra with Python - Part II

Mathematics
This is the sixth post in the blog series about linear algebra, solely devoted to various matrix decompositions.
May 13, 2021
Nodar Okroshiashvili

Advance Linear Algebra with Python - Part I

Mathematics
This is the fifth post in the blog series about linear algebra, covering advanced vector and matrix operations.
Apr 21, 2021
Nodar Okroshiashvili

Intermediate Linear Algebra with Python - Part II

Mathematics
This is the fourth post in the blog series about linear algebra, covering the matrix and matrix operations.
Mar 22, 2021
Nodar Okroshiashvili

Intermediate Linear Algebra with Python - Part I

Mathematics
This is the third post in the blog series about linear algebra, covering the vector and vector operations.
Mar 17, 2021
Nodar Okroshiashvili

Basic Linear Algebra with Python

Mathematics
This is the second post in the blog series about linear algebra, covering the basics.
Mar 1, 2021
Nodar Okroshiashvili

Introduction to Linear Algebra with Python

Mathematics
These are the series of linear algebra mainly based on Numpy and Scipy.
Feb 22, 2021
Nodar Okroshiashvili

Integer Sequences in Python

Mathematics
In this article, I want to review some integer sequences from number theory. Particularly, I will review their mathematical…
Dec 23, 2020
Nodar Okroshiashvili

Taylor Series Expansion with Python

Mathematics
In this blog, I want to review famous Taylor Series Expansion and its special case Maclaurin Series Expansion. According to wikipedia, the aim of Taylor Series Expansion (TSE) is to represent a function as an infinite sum of terms that are derived from the values of that function’s derivatives, which in…
Oct 10, 2020
Nodar Okroshiashvili

Basics of Information Theory with Python

General
Information flows around us. It’s everywhere. No matter what we have, either it will be some…
Jul 12, 2020
Nodar Okroshiashvili

Lost in Pandas - Part 4

Data Science
I’ll show how to assign new value for each unique group in Pandas DataFrame.
Apr 29, 2020
Nodar Okroshiashvili

Lost in Pandas - Part 3

Data Science
I’ll show you how to split one column with repetitive index and/or value into multiple rows with unique index.
Apr 20, 2020
Nodar Okroshiashvili

Lost in Pandas - Part 2

Data Science
I will show you how to fill missing values by the average of its before and after values if our dataframe has the following form:
Apr 14, 2020
Nodar Okroshiashvili

Lost in Pandas - Part 1

Data Science
Many have been told and written about Pandas and its capabilities. I could not imagine data scientist or data analyst who had not heard about Pandas or had not used it at…
Apr 10, 2020
Nodar Okroshiashvili

Modeling Single Good Market

Economics
In this blog, I want to review simple one good market economy, where supply and demand are linear functions of price and agents of this economy are price takers. Those…
Jun 16, 2019
Nodar Okroshiashvili
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