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Transforming Complex Data into Interactive Insights & Dashboards

Data Analyst & Visual Specialist at nvandi.data. Helping global companies, startups, and teams turn raw data into high-impact visual stories, executive dashboards, and actionable business decisions.

Python SQL Tableau Power BI D3.js / Web Viz Pandas / NumPy Exploratory Analysis
View Case Studies ↓ Explore Services
ANALYTICS ENGINE DEMO SQL + CHART ENGINE
User Retention Rate 68.4% +4.2% MoM
Avg Session Value $142.50 Data-backed insight
Revenue vs Churn Risk Curve Q1 2026
+18.5% Opt
PORTFOLIO SHOWCASE

Featured Case Studies

Real data analytics projects demonstrating business impact, data modeling, and visualization clarity.

BI & Executive Dashboard 2025

E-Commerce Customer Retention & Revenue Leakage Dashboard

Analyzed 50,000+ transaction rows to track cohort retention, identify high-churn customer segments, and build an automated KPI reporting system.

Revenue Leakage Identified: 14.8%
Data Processing: Automated
SQL Python Tableau
Macro & Financial Viz 2025

Rupiah Purchasing Power & Real Wage Inflation Explorer

An interactive data story deconstructing exchange rates vs. real purchasing power in Indonesia using multi-variate time series visual models.

Data Source: Bank Indonesia & BPS
Format: Interactive Essay
Python D3.js Data Storytelling
Fact-Check & Public Analytics 2026

Fact-Check: Rural Economy Impact of USD/IDR Spikes

Quantitative analysis debunking public policy myths around rural agricultural commodity prices and foreign exchange fluctuations.

Methodology: Regression & Time-Series
Format: Interactive Fact-Check
Python Public Datasets Data Viz
SERVICES & SOLUTIONS

How I Can Help Your Team

Tailored analytics & data visualization services for companies, startups, and consulting clients.

BI & Executive Dashboards

Custom dashboards in Tableau, Power BI, or Looker Studio designed for executive decision-making, automated KPI tracking, and operational clarity.

Exploratory Data Analysis (EDA)

Deep dives into complex raw datasets (SQL/Python) to uncover hidden patterns, customer behavior insights, and data-backed growth opportunities.

Custom Web Data Visualization

Bespoke, interactive data graphics built directly for the web (Chart.js, Canvas, D3) to turn complex data into captivating digital stories.

DATA STORYTELLING

Data Essays & Analysis

View All Writing →
Fact-check Mei 2026 · 7 mnt

Benarkah rakyat desa tidak terdampak dollar?

Monetary May 2025 · 8 min

The rupiah and purchasing power: what exchange rate charts don't show