to the strangers of data world…

this is where I speak mostly to myself :)

What the History Tells Us About DataViz

Data Visualization

When I first see the graph above, I felt…

Python and R with Power BI

In the end of this article, you will be able to:

Should you really move from MS Access to Power BI?

Let’s imagine you are in a small company, and over time, they stored their data in MS Access, making it their legacy system. As the company grew bigger, managing the data in…

Using R with SQL

If you are a little bit further away from the comfort zone of practice datasets, you already faced the hard truth of…

Text Analysis on Social Indicators

Sentiment Analysis

The purpose of this small project is to perform a basic sentiment analysis on the “Global indicator framework…

pling! Sampling!

A silly headline? Maybe! But it has some clues about the topic!

Python! Wait for the R guy! - Lists

Lists seem similar in R and Python in terms of the structure. But creating and using them is a little bit different. Yet , no worries! Easy for a R wizard like you! 😎

Python! Wait for the R guy! - The Beginning

I’m posting this because I would like to…

Relationship Between Inputs and Outputs in Shiny

When I started writing code on R Shiny¹ applications, one of the topics was quite unusual for me and took some time to comprehend the mechanics behind: the…

Hard Truth About Learning Data Science

It’s always strange for me to hear from people that cool things always seem to be easy.…

I hate R!

“My friend recently exclaimed, ‘I really hate R,’ and a quick Google search showed me that many others feel the same way.

Mystery of 2.2e-16 in R

One of my friends asked help…

Hypothesis Testing / T-Tests

Statistics Fundamentals

Do you remember those picture puzzles “find X number of differences!”? Look at those pictures above but this time, without trying to find the differences. You probably…

Adding ChatGPT to RStudio

If you are a RStudio user and if you are using Chat GPT, why not merge them in the same place? You can do it by an addin published on github. But first, you need…

Top 10 Tips in R Studio to Boost Your Work

Usually we learn things from others and their way becomes our way until we explore and find more. When I…

Entering the Machine Learning World

Machine Learning

I really like the Simon Sinek’s great book “Start With WHY”. This was something I always thought…

Stratified Sampling

Let’s think that you are making sampling from Boston Housing dataset and you are separating your dataset into 2 sets as training and test sets.

Correlated Randomized Data in R

I was working on a project and I needed a quick randomized data of an existing dataset. However, I don’t need it to be just randomized. I also want it to be randomly correlated with a selected variable. Why? Because I needed a practice file to work on regression models and there should be some…

Welcome!