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dantemota12/README.md

Hi, I'm Dante Mota 👋

Data Analyst · Turning Complex Data into Business Decisions

LinkedIn Email

About me

  • 📊 Data analyst focused on funnels, retention cohorts, A/B testing, and KPI dashboards across industries.
  • ⚙️ Background in electronic and instrumentation engineering, which shapes my rigor with data quality and measurement.
  • 🌎 Remote Bilingual (English/Spanish) Medical Interpreter for the U.S., based in Mexico, open to remote Data Analyst roles.

Tech stack

SQL Python Pandas Power BI Tableau Google Sheets Jupyter Git

⭐ Flagship project: RappiPlus end-to-end business diagnostic

RappiPlus dashboard

Profitability, conversion funnel, retention cohorts, and an A/B test on a subscription service, from raw data to an executive Power BI dashboard.

Highlights: $51.97M revenue and $5.97M profit analyzed · funnel bottleneck located at checkout · 40–43% weekly retention across cohorts · checkout A/B test not significant (p = 0.416), so the rollout was not recommended.

View repository

Featured projects

Project What it shows Tools
MercadoLibre funnel & retention Funnel narrows from 76.9% item selection to 1.25% purchase; steepest loss between item selection and add to cart SQL
Landing page A/B test Page B lifted conversion from 12.57% to 15.96% (p < 0.001) Python, SciPy
ConnectaTel churn & segmentation High-usage customers churn at 14.0% vs. ~11.5% in other tiers Python, pandas
Real estate dashboard 11.14% YoY growth and a customer repurchase cohort matrix Tableau
Walmart sales dashboard Department efficiency and share of sales with an interactive selector Google Sheets
Electronics retail analysis Data cleaning and KPIs on 753 sales transactions Google Sheets

Let's connect

I'm always happy to talk about product analytics, experimentation, and data storytelling.

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  1. rappiplus-business-diagnostic rappiplus-business-diagnostic Public

    End-to-end business diagnostic of RappiPlus: data cleaning in Python, profitability analysis, SQL funnel and cohort retention, A/B test on checkout UI, and a Power BI executive dashboard.

    Jupyter Notebook 1

  2. andes-retail-sales-performance-dashboard andes-retail-sales-performance-dashboard Public

    Power BI dashboard analyzing 2024–2025 sales performance for Andes Retail Group: revenue trends, profit margin, and the regions, segments and product categories behind a 6.8% revenue decline. Inclu…

    Jupyter Notebook 1

  3. landing-page-ab-test-analysis landing-page-ab-test-analysis Public

    Statistical analysis of an A/B test on a landing page: Welch's t-test, z-test for proportions and chi-square tests in Python to recommend the best version based on conversion and spend.

    Jupyter Notebook

  4. mercadolibre-funnel-retention-analysis-sql mercadolibre-funnel-retention-analysis-sql Public

    Analyzed 2025 MercadoLibre funnel conversion and user retention across 10 Latin American countries with SQL.

  5. novaretail-customer-behavior-correlation-analysis novaretail-customer-behavior-correlation-analysis Public

    Correlation analysis of 15,000 NovaRetail+ customers with Python: Pearson, Spearman, point-biserial and Cramér's V to explore which behavior factors are associated with annual revenue.

    Jupyter Notebook

  6. real-estate-sales-performance-dashboard real-estate-sales-performance-dashboard Public

    Tableau dashboard analyzing real estate sales performance: revenue, average ticket, commission, YoY growth, sales channels, customer segments and customer cohort retention across 8,500 transactions.

    Jupyter Notebook 1