Ioannis Petridis

Data Science Portfolio

Hi I'm Ioannis, and I'm a Data Scientist. My portfolio focuses on interesting projects I've recently undertaken, with a strong emphasis on business impact. I seek to apply lean Data Science and Machine Learning solutions to solve business problems and deliver impactful and innovative products within an engaging and challenging environment. I am self-directed, curious and dedicated to improve and grow both in a team and individually.

54 minute read

Customer Targeting Machine Learning Classification Python

Enhancing Targeting Accuracy Using ML

Our client, a grocery retailer, wants to utilise Machine Learning to reduce mailing costs, and improve ROI! Table of contents 0...

36 minute read

Customer Loyalty Machine Learning Regression Python

Predicting Customer Loyalty Using ML

Our client, a grocery retailer, hired a market research consultancy to append market level customer loyalty information to the datab...

13 minute read

AB Testing Hypothesis Testing Chi-Square Python

Assessing Campaign Performance Using Chi-Square Test For Independence

In this project we apply Chi-Square Test For Independence (a Hypothesis Test) to assess the performance of two types of mailers that...

8 minute read

Python Primes

Finding Prime Numbers with Python

In this post I’m going to run through a function in Python that can quickly find all the Prime numbers below a given value. For exa...

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