My Journey as a Data Science Blogger
Μy Background My Studies Back in 2001, I entered university to study Statistics. During my first year, I ran my
How to Create a Powerful TF-IDF Keyword Research Tool
We are at the age of digital marketing and now the words are more important than ever. One of the
Portfolio Optimization in Python
We will show how you can build a diversified portfolio that satisfies specific constraints. For this tutorial, we will build
Undersampling by Groups in R
When we are dealing with unbalanced classes in Machine Learning projects there are many approaches that you can follow. Just
How to get a Data Science Job without Experience
What is “Working Experience” in practice? Let’s assume that you are a candidate who has recently graduated from the University
How to search all Tables for a column name in PostgreSQL
We’ve all been in the situation of having a chaotic database and trying to find the data that we will
Excess Deaths during the 1st Wave of Covid-19
Abstract Our goal is to provide some summary statistics of deaths across countries during the 1st Wave of Covid-19 and
Tidyverse Tips
I have found the following commands quite useful during the EDA part of any Data Science project. We will work
Pandas GroupBy Tips
This post is a short tutorial in Pandas GroupBy. As always we will work with examples. Let’s create a dummy
Docker + Flask | Dockerizing a Python API
Docker containers are one of the hottest trends in software development right now. Not only it makes it easier to
How to Scrape Google Results for Free Using Python
There are a lot of paid services that are providing google results and it’s for a reason. In the right
