Data Wrangling with Pandas and Python
Clean and transform raw datasets using the Pandas library in Python.
Introduction to SQL for Data Analysts
Query database tables, aggregate records, and execute SQL joins to analyze data.
Data Visualization with Matplotlib and Seaborn
Build beautiful line charts, scatter plots, and histograms in Python.
Understanding A/B Testing and Statistical Significance
Formulate hypotheses, calculate sample sizes, and evaluate conversion rates.