Hi, I'm
Rivaldo Timoty
Manihuruk
Statistics graduate from Institut Teknologi Sepuluh Nopember (ITS) with strong passion in big data. Proficient in R, Python, SQL, NoSQL, Excel, and Tableau to transform complex data into valuable business insights.
Experience
My professional journey in data science and analytics.
Work Experience
Data Scientist
PT. Stellar Data Constellation (PT. eBdesk Teknologi)
- Developed 40+ media monitoring dashboards for various ministry clients.
- Built Mudik monitoring dashboards covering transport flow, ticket monitoring, security, natural disasters, staple food, news/social media issues, and public complaints.
- Developed 3+ dashboards for police and personal clients.
- Created beverage company dashboard with company analysis, competitor analysis, policy insights, event tracking, and media monitoring.
- Coordinate communication between front-end and back-end teams across projects.
IT Data Analyst Intern
Sekretariat Jenderal DPR RI
- Developed 10+ dashboards for the SINTESA DPR RI application prototype.
- Scraped data from news portals and Twitter for sentiment analysis.
- Conducted sentiment analysis on keywords related to House of Representatives members.
Database Lecturing Assistant
Institut Teknologi Sepuluh Nopember
- Tutored 40 students in 'Fundamental Database' module.
- Assisted students with SQL coding assignments.
Statistician Intern
Dinas Pekerjaan Umum Bina Marga
- Analyzed sectoral data and developed 19 metadata sets for SATA JATIM 2024.
- Created infographics and videographic on East Java road infrastructure data.
- Implemented data visualization through interactive dashboards.
Education
Bachelor of Statistics
Institut Teknologi Sepuluh Nopember (ITS)
2020 – 2024
GPA: 3.51/4.00. Active in HIMASTA ITS as Vice Head of Interest and Talent.
Senior High School
SMAN 1 Plus Raya
2017 – 2020
Final Score: 88.77/100.
Organizations
Vice Head of Interest and Talent
HIMASTA ITS
Vice Manager of HR & Development
PSt-HIMASTA
Staff of Research and Data Analytics
PSt-HIMASTA
Staff of HR Development
Lingkar Cendekia
Technical Skills
Technologies and tools I work with.
Programming
Databases
Tools & Analytics
Portfolio Projects
Data analysis and machine learning projects I've worked on.
Dashboard of East Java Population and Labour
Developed and deployed an interactive dashboard offering in-depth insights into population dynamics and labor force conditions across East Java, utilizing map visualizations to enhance geographic understanding.
Predictive Model for Assessing Loan Repayment
Implemented a Decision Tree ML model to predict and evaluate credit applications, with an interactive dashboard visualizing outcomes for stakeholders to assess customers' loan repayment capabilities.
Dashboard Covid-19 Global Forecasting
Designed an interactive dashboard using Looker Studio to visualize global pandemic metrics including confirmed cases, fatalities, and regional distribution with geographical maps and trend analyses.
Grouping of Districts/Cities in East Java
Conducted clustering of public health conditions using K-Means and Agglomerative Hierarchical Clustering, analyzing optimal group distinctions with MANOVA and ANOVA.
Data Exploration of East Java Geography & Climate
Processed and visualized geographical and climatic data using R, analyzing factors influencing temperature variations through simple and multiple linear regression methods.
BIT:ISP Forecasting with ARIMA
Developed a forecasting model using ARIMA(1,0,0) with SAS, identifying intervention effects of the Covid-19 pandemic on the time series data.
Dashboard Average Daily Traffic 2014–2021
Built an interactive dashboard providing detailed insights into Average Daily Traffic trends in East Java, aiding strategic decision-making in infrastructure planning.
Certifications & Awards
Semifinalist Data Analysis Competition
Statistics - ITS
Magang Bersertifikat – Kampus Merdeka Batch 6
Setjen DPR RI
Studi Independen Bersertifikat Batch 4
Zenius
Course of Data
Gumatika FMIPA IPB University
Data Science in Retail: Market Basket Analysis
DQLab