Arditya Apusing
Data and Financial Analyst
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Indonesia Trade & Maritime Intelligence — Export/Import & Port Analysis (2018–2023)
R Shiny dashboard visualizing Indonesia's trade flows from 2018–2023. Includes export/import trend analysis, commodity breakdowns, an interactive Leaflet map of 10 major ports, and a provincial export heatmap. Data from BPS, UN Comtrade, and Kemenhub RI. Built for trade analysts and logistics professionals needing geographic and commodity-level insights.
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Poverty Clustering Dashboard — PCA & Hierarchical Clustering (Gold Medal Research)
Award-winning research dashboard (International Gold Medal — i-JaMCSIIX 2023, Malaysia). Applied PCA + Average Linkage hierarchical clustering to classify 13 regencies by poverty indicators — PC1+PC2 explain 82.67% of variance. Features an interactive dendrogram, cluster map, and variable analysis panel. Built in R Shiny for policymakers to identify regional development priorities.
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B2B Marketing Analytics Dashboard — Multi-Touch Attribution & Cohort Analysis
Built an end-to-end marketing analytics dashboard using Python and Streamlit. Features 5 attribution models, conversion funnel drop-off analysis, weekly cohort retention heatmap across 8 cohorts × 13 weeks, and a campaign ROI scorecard. Designed to help marketing teams identify which channels drive real revenue — not just clicks.
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Interactive macroeconomic dashboard built in R Shiny covering GDP growth trends, provincial inflation heatmaps, unemployment-investment correlation, and Gini coefficient analysis across Indonesia (2014–2023). Data sourced from BPS RI, Bank Indonesia, and BKPM. Built for policymakers and analysts who need fast, visual access to national economic indicators.
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Bilingual Digital Dictionary — Indonesian · Kaili Ledo
Designed and deployed a bilingual digital dictionary from scratch — covering full product lifecycle from problem definition, data collection, development, to live web deployment. Piloted with 42 users, achieving 4× vocabulary improvement per session. Built to preserve the Kaili Ledo regional language of Central Sulawesi, Indonesia.
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