Helen Abell

Helen Abell

Data Science Portfolio

Hi, I'm Helen. I'm a Software Engineer and Data Science enthusiast. This portfolio focuses on interesting projects I've recently undertaken, with a strong emphasis on business impact and data science tools and techniques. Please visit my Github & LinkedIn pages (or download my CV) by using the links below.

Tags in Projects

AB Testing

Assessing Campaign Performance Using Chi-Square Test For Independence | 13 minute read

Association Rule Learning

Understanding Alcohol Product Relationships Using Association Rule Learning | 15 minute read

Causal Impact Analysis

Quantifying Sales Uplift With Causal Impact Analysis | 15 minute read

Chi-Square

Assessing Campaign Performance Using Chi-Square Test For Independence | 13 minute read

Classification

Enhancing Mailer Targeting Accuracy Using ML | 54 minute read

Clustering

The "You Are What You Eat" Customer Segmentation | 14 minute read

Customer Loyalty

Predicting Customer Loyalty Using ML | 38 minute read

Customer Segmentation

The "You Are What You Eat" Customer Segmentation | 14 minute read

Customer Targeting

Enhancing Mailer Targeting Accuracy Using ML | 54 minute read

Data Viz

Earthquake Tracking Dashboard Using Tableau | 3 minute read

Earthquakes

Earthquake Tracking Dashboard Using Tableau | 3 minute read

Hypothesis Testing

Assessing Campaign Performance Using Chi-Square Test For Independence | 13 minute read

Images

Image Manipulation with Numpy | 8 minute read

Machine Learning

Compressing Feature Space For Classification Using PCA | 12 minute read
The "You Are What You Eat" Customer Segmentation | 14 minute read
Enhancing Mailer Targeting Accuracy Using ML | 54 minute read
Predicting Customer Loyalty Using ML | 38 minute read

Numpy

Image Manipulation with Numpy | 8 minute read
Calculating Planet Volumes with Numpy | 4 minute read

PCA

Compressing Feature Space For Classification Using PCA | 12 minute read

Planets

Calculating Planet Volumes with Numpy | 4 minute read

Postgresql

Calculating Customer Retention Rate In SQL | 5 minute read

Primes

Finding Prime Numbers with Python | 26 minute read

Python

Quantifying Sales Uplift With Causal Impact Analysis | 15 minute read
Understanding Alcohol Product Relationships Using Association Rule Learning | 15 minute read
Compressing Feature Space For Classification Using PCA | 12 minute read
The "You Are What You Eat" Customer Segmentation | 14 minute read
Enhancing Mailer Targeting Accuracy Using ML | 54 minute read
Predicting Customer Loyalty Using ML | 38 minute read
Assessing Campaign Performance Using Chi-Square Test For Independence | 13 minute read
Image Manipulation with Numpy | 8 minute read
Calculating Planet Volumes with Numpy | 4 minute read
Finding Prime Numbers with Python | 26 minute read

Regression

Predicting Customer Loyalty Using ML | 38 minute read

SQL

Calculating Customer Retention Rate In SQL | 5 minute read

Supervised Learning

Enhancing Mailer Targeting Accuracy Using ML | 54 minute read
Predicting Customer Loyalty Using ML | 38 minute read

Tableau

Earthquake Tracking Dashboard Using Tableau | 3 minute read

Transaction Data Insights

Calculating Customer Retention Rate In SQL | 5 minute read

Unsupervised Learning

The "You Are What You Eat" Customer Segmentation | 14 minute read