Archive for category: Data Science & Analytics

Introduction to Model Validation for Machine Learning / Data Science

Key Points Know the importance of training, validation, and test sets to prevent bias The dif...

Firewall Service Ban

Enable Firewall (FWSBan) W/ SFTP Server

Porta SFTP Server has its own customized service to ban external IP address that is not whitelisted....

time-series-cum-sum

Calculate Cumulative Sum Time Series (CUSUM Change Detection)

A cumulative sum is a way of calculating how a number grows over time. A use case of this is to show...

What Is Neural Network in AI? “Almost” In Layman’s Term…

To dive into “What is Neural Network” we must at least step back a little bit further to...

R: Play With Collatz Conjecture

We all know that programming is fun but sometimes it can also be boring. In this blog let’s se...

Linear Regression Model

In this post, we will dig and explore the basics of linear regression models as their essentials to ...