SQL
Joins, aggregations, window functions, funnels, cohorts, and reporting queries.
Topics
Joins, aggregations, window functions, funnels, cohorts, and reporting queries.
Pandas workflows, data cleaning, exploratory analysis, visualization, and automation.
Formulas, pivots, dashboard layouts, business reporting, and reusable templates.
Power BI, Tableau, dashboard design, metric definitions, and stakeholder reporting.
Experiment design, sample size, hypothesis writing, result analysis, and reporting templates.
Retention, repurchase rate, conversion rate, metric decomposition, and root-cause analysis.
Projects, portfolios, interviews, resumes, and habits for junior data analysts.