Navid Hejazi

Data Science Portfolio

Hi I'm Navid, and I'm a Data Scientist. My portfolio focuses on interesting projects I've recently undertaken, with a strong emphasis on business impact. Please visit my Github & LinkedIn pages (or download my Resume) by using the links below!

48 minute read

Fruit Classification Using A Convolutional Neural Network

In this project we build & optimise a Convolutional Neural Network to classify images of fruits, with the goal of helping a groc...

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...

15 minute read

Causal Impact Analysis Python

Quantifying Sales Uplift With Causal Impact Analysis

In this project we use Causal Impact Analysis to analyse & understand the sales uplift of customers that joined the new “Deliver...

15 minute read

Association Rule Learning Python

Understanding Alcohol Product Relationships Using Association Rule Learning

In this project we use Association Rule Learning to analyse the transactional relationships & dependencies between products in t...

12 minute read

PCA Machine Learning Python

Compressing Feature Space For Classification Using PCA

In this project we use Principal Component Analysis (PCA) to compress 100 unlabelled, sparse features into a more manageable number ...

14 minute read

Customer Segmentation Machine Learning Clustering Python

The "You Are What You Eat" Customer Segmentation

In this project we use k-means clustering to segment up the customer base in order to increase business understanding, and to enhanc...