JOLIE

Hey!  I'm
Jolie Pham

As a data analyst with a strong foundation in Economics, Statistics, and Probability, I specialize in data acquisition, preprocessing, and visualization to transform raw data into actionable insights.

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ABOUT ME
01
Data acquisition & Processing

Experienced in web scraping using Selenium, BeautifulSoup.

Built AutoClean AI, an AI-powered tool that automates data cleaning, saving hours of manual work.

Worked with large-scale datasets (up to 800M rows) using Databricks, Snowflake, PostgreSQL, DBeaver.

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02
EDA & Modelling

Proficient in Python (Pandas, NumPy, scikit-learn) for data wrangling, EDA, and machine learning.

Developed multiple projects applying statistical analysis and data science techniques.

03
Data Visualisation

Tableau Certified Data Analyst, skilled in Power BI, Plotly.

Created high-impact dashboards with thousands of views on Tableau Public.

Passionate about data storytelling and data science, sharing knowledge via DataTales, my blog on Data Science & Visualization.

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PROJECTS
PROJECT
Global Mental Health Dashboard

An interactive Tableau-powered dashboard unraveling the Global Mental Health crisis, guiding users from high-level trends to an in-depth disorder breakdown through dynamic storytelling.

PROJECT
Rental Market Trend Analysis

An end-to-end rental market analysis leveraging web scraping, SQL, and data visualization — transforming raw data into actionable insights that empower stakeholders with informed decision-making and optimized rental strategies.

PROJECT
DEEP LEARNING SYSTEM FOR DIFFERENTIAL DIAGNOSIS OF MELANOMA

This project leverages deep learning to classify images as Melanoma or Non-melanoma, aiming to support dermatologists in making more accurate diagnostic decisions.

PROJECT
Australian Employment Dashboard

An interactive Tableau dashboard offering a three-year analysis of Australia's employment landscape, unraveling trends in unemployment and workforce participation across major cities.

PROJECT
Australian Employment Dashboard

An intelligent, AI-powered data preprocessing tool that automates data cleaning while providing powerful visualizations for exploring variable distributions and relationships.

RESUME
BLOGS
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I still remember the first time I had to present data in a university class - my professor was there, along with a lot of my classmates. I had a beautifully detailed dataset, and what I thought was a well-prepared presentation. But when I put my charts on the screen, I could see the confusion on everyone's face. The number was there, but the story was lost.

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Studies find that data analysts spend up to 80% of their time cleaning data before they can even begin analysis. Messy, incomplete, and inconsistent data slow down workflows, introduce errors and often lead to poor model performance. Despite its critical role, data cleaning remains a tedious and repetitive process.

What if a tool could automate it?

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Imagine this - You open Netflix, scroll through your recommendations, and a striking movie thumbnail catches your eye. Without thinking twice, you click on it. But did you know that Netflix has tested multiple versions of that thumbnail before deciding which one to show you?

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Let’s say we’ve just received a new dataset. And as expected, it’s messy, overwhelming, and full of numbers that don’t seem to tell a clear story. As data analysts, our job is not just about crunching numbers, it’s about transform that chaos into valuable insights.
But how do we make sense of raw data and turn it into something actionable?

It’s all start with mindset.