Main
Deden Istiawan
Curriculum Vitæ
I am currently working as a lecturer and data scientist, I am actively involved in various data analysis projects that aim to transform raw data into valuable insights
Education
Master’s Degree in Informatics Engineering
Universitas Dian Nuswantoro
Semarang, Indonesia
Sep. 2015 - Aug. 2017
Bachelor’s Degree in Statistics
Institut Sains dan Teknologi AKPRIND
Yogyakarta, Indonesia
Sep. 2011 - Nov. 2013
Diploma in Statistics
Akademi Statistika Muhammadiyah
Semarang, Indonesia
Aug. 2008 - Aug. 2011
Professional Experience
Lecturer
Institut Teknologi Statistika dan Bisnis Muhammadiyah Semarang
Semarang, Indonesia
Apr. 2018 - Present
Activities: As a lecturer, I teach, mentor students, and conduct research in statistics, data mining, and data analysis.
Environmental Health Risk Assessment Study
PT Krida Karya Advisory
Semarang, Indonesia
Jul. 2025 - Sep. 2025
Activities: Analyzing EHRA data to assess environmental health risks in the community
Environmental & Socioeconomic Data Analyst
PT. Sanitra Sapta Utama
Tegal, Indonesia
May. 2025 - Jun. 2025
Activities: Conducting an Environmental Feasibility Study for PT. Aberdeen Footware Indonesia
Environmental & Socioeconomic Data Analyst
PT. Sanitra Sapta Utama
Tegal, Indonesia
May. 2025 - Jun. 2025
Activities: Conducting an Environmental Feasibility Study for PT. Armada Footware Indonesia
Environmental & Socioeconomic Data Analyst
PT. Sanitra Sapta Utama
Semarang, Indonesia
Jul. 2024 - Aug. 2024
Activities: Conducting an Environmental Feasibility Study for PT. Data Industri Gudang Indonesia
Environmental & Socioeconomic Data Analyst
Balai Besar Wilayah Sungai Pemali Jratun
Semarang, Indonesia
Dec. 2022 - Feb. 2023
Activities: Conducting an Environmental Feasibility Study for Flood Control Measures in Semarang City
Environmental & Socioeconomic Data Analyst
Balai Besar Wilayah Sungai Pemali Jratun
Grobogan, Indonesia
Jul. 2020 - Aug. 2020
Activities: Conducting Environmental Impact Surveys to Assess and Mitigate Effects in the Pemali Jratun River Basin
Data Research Analyst
Pemerintah Kota Semarang
Semarang, Indonesia
Jan. 2018 - Dec. 2018
Activities: Analyzing public satisfaction surveys to evaluate and improve services at the Semarang City Government.
Data Research Analyst
Balai Penelitian dan Pengembangan Agama Semarang
Semarang, Indonesia
Jan. 2017 - Dec. 2022
Activities: Analyzing statistical data to support religious research at the Balai Litbang Agama Semarang.
Talks (9)
Ms Excel Intermediate
One-day workshop (PT Nusantara Building Industries)
Semarang, Indonesia
Apr. 2023
Ms Excel Intermediate
One-day workshop (PHRD Jawa Tengah)
Semarang, Indonesia
Nov. 2023
Ms Excel Intermediate
One-day workshop (PT Prima Tunggal Mandiri)
Semarang, Indonesia
Aug. 2023
Evaluation of the Interfaith Harmony Index in West Kalimantan
Half-day workshop (Kanwil Kemenag Prov. Kalbar)
Pontianak, Indonesia
Sep. 2022
Variants of Moderate Religious Learning Resources for Madrasah Aliyah Students in the Disruptive Era
Half-day workshop (Balai Litbang Agama Semarang)
Semarang, Indonesia
Feb. 2021
Data Visualization
Half-day workshop (LLDIKTI VI)
Semarang, Indonesia
Sep. 2020
Student Character Survey in Madrasahs and High Schools
Half-day workshop (Balai Litbang Agama Semarang)
Semarang, Indonesia
June. 2019
Student Integrity Index at Secondary Education Level
Half-day workshop (Balai Litbang Agama Semarang)
Semarang, Indonesia
Jan. 2018
Al-Quran Literacy Index in East Java and DIY
Half-day workshop (Balai Litbang Agama Semarang)
Semarang, Indonesia
Jan. 2017
Book (1)
Analisis Cluster: Teori, Algoritma, dan Implementasi dengan R
Itesa Muhammadiyah
Semarang, Indonesia
Dec. 2024
Teaching (3)
Algoritma dan Pemrograman
Itesa Muhammadiyah
Semarang, Indonesia
Sep. 2025
Research Grant (6)
Research Grant
Ministry of Higher Education, Science and Technology
Semarang, Indonesia
May. 2025
Project: Geospatial Mapping of Stunting in Indonesia: Identification of Priority Areas for Intervention
Research Grant
Ministry of Higher Education, Science and Technology
Semarang, Indonesia
May. 2025
Project: Geospatial Model Optimization for Social Vulnerability Mapping to Natural Disasters Using Fuzzy Geographically Weighted Clustering and Flower Pollination Algorithm
Research Grant
Ministry of Education and Culture
Semarang, Indonesia
Apr. 2023
Project: Mapping of Social Vulnerability to Natural Hazards in Geodemographic Analysis Using Fuzzy Geographically Weighted Clustering
Research Grant
Balai Litbang Agama Semarang
Semarang, Indonesia
Jun. 2022
Project: Survey of interfaith harmony in West Kalimantan Province, DKI Jakarta and DI Yogyakarta
BLAS
Research Grant
Balai Litbang Agama Semarang
Palangka Raya
Jun. 2021
Project: Survey of Interfaith Harmony Index in Palangka Raya City
BLAS
Research Grant
Balai Litbang Agama Semarang
Palangka Raya
Jun. 2019
Project: Survey of Interfaith Harmony Index in Palangka Raya City and Katingan Regency
BLAS
International Conference (1)
Hybrid genetic feature selection and support vector machine for prediction LQ45 index in indonesia stock exchange
International Conference on Science and Technology (ISSTEC) 2021
Yogyakarta, Indonesia
Nov. 2021
Publications (36)
Pemberdayaan Finansial Ibu-Ibu PKK Melalui Pemanfaaatan Pemasaran Online
Khoirul Anam Dahlan, Alya Masitha, Nurul Huda and Deden Istiawan
N/A
Dec. 2025
Penguatan Struktur Data dan Algoritma bagi Mahasiswa: Fondasi Karir Profesional di Bidang Teknologi Informasi
Nurul Huda, Deden Istiawan, Laelatul Khikmah and Annisa Nur Cahyani
N/A
Jul. 2025
Analisis Komparatif Algoritma C4. 5, Naïve Bayes, dan K-Nearest Neighbor untuk Prediksi Kesejahteraan Masyarakat di Kabupaten Temanggung
Kartika Sunarno and Deden Istiawan✱
N/A
May 2025
✱ As first or co-first author.
Evaluation and Comparison of K-Nearest Neighbors Algorithm Models for Heart Failure Prediction
Alya Masitha, Nurul Huda, Deden Istiawan and Lucky Ridaus
N/A
Mar. 2025
Peningkatan Kemampuan Visualisasi Data Dengan Ms. Excel Balai Penelitian dan Pengembangan Agama Semarang
Laelatul Khikmah, Sulistijanti, Taswati Wijayaningrun and Deden Istiawan✱
N/A
Jan. 2025
✱ As first or co-first author.
Workshop Penulisan Buku Ber-ISBN Untuk Kurikulum Merdeka
Nurul Huda, Deden Istiawan✱, Adiyah Mahiruna, Wellie Sulistijanti and Citra Pandini
N/A
Jan. 2025
✱ As first or co-first author.
Meningkatkan Keterampilan Profesional Mahasiswa: Strategi Penguatan Soft Skills untuk Sukses di Era Digital
Nurul Huda, Deden Istiawan, Alya Masitha and Adiyah Mahiruna
N/A
Dec. 2024
Pelatihan Microsoft Excel Dalam Pengembangan Profesional PT. Nusantara Building Industries
Nurul Huda, Deden Istiawan, Alya Masitha and Nanda Zafran Mahendra
N/A
May 2024
Pelatihan Microsoft Excel Untuk Peningkatan Soft Skills Anggota Perhimpunan Human Resources Development Jawa Tengah
Deden Istiawan✱, Nurul Huda, Adiyah Mahiruna, Ngatimin and Sukmono Yogi Prayogi
N/A
Feb. 2024
✱ As first or co-first author.
Pelatihan Aplikasi Canva Untuk Meningkatkan Kemampuan Desain Grafis Anggota Perhimpunan Human Resources Development Jawa Tengah
Nurul Huda, Deden Istiawan✱, Adiyah Mahiruna, Wellie Sulistijanti and Taswati Nova Wijayaningrum
N/A
Aug. 2023
✱ As first or co-first author.
Religious Harmony Index in Special Region of Yogyakarta
Deden Istiawan✱, Arif Gunawan Santoso, Rosidin and Ika Safitri Windiarti
N/A
Jul. 2023
✱ As first or co-first author.
Analysis of Time Optimization for Watermark Image Quality Using Run Length Encoding Compression
Adiyah Mahiruna, Eko Hari Rachmawanto and Deden Istiawan
N/A
Jul. 2023
Portrait of Religious Harmony in Special Capital Region of Jakarta, Indonesia
Deden Istiawan✱, Nurul Huda, Rosidin Sudastro, Israpil Apil, Aris Hidayat, DWi Martiningsih and Irwan Jef
N/A
Jun. 2023
✱ As first or co-first author.
Hybrid genetic feature selection and support vector machine for prediction LQ45 index in Indonesia stock exchange
Abdul Syukur, Deden Istiawan✱, Wellie Sulistijanti and ahmad Ilham
N/A
May 2023
✱ As first or co-first author.
Mapping Religious Harmony in the Special Capital Region Jakarta using K-Means Algorithm
Deden Istiawan✱, Wellie Sulistijanti, Arif Gunawan and Windyaning Ustiannie
N/A
Mar. 2023
✱ As first or co-first author.
Analisis Indeks Kerukunan Umat Beragama di Provinsi Kalimantan Barat
Arif Gunawan, Deden Istiawan✱ and Khikmah Laelatul
N/A
Dec. 2022
✱ As first or co-first author.
Penerapan Algoritma C4. 5 untuk Klasifikasi Lahan Kritis Kabupaten Grobogan
Malik Arahman and Deden Istiawan✱
N/A
Dec. 2021
✱ As first or co-first author.
Penerapan Algoritma Self Organizing Maps untuk Pengelompokkan Penyandang Masalah Kesejahteraan Sosial di Provinsi Jawa Tengah
Iqbal Ilham and Deden Istiawan✱
N/A
Dec. 2021
✱ As first or co-first author.
Pengelompokan Tingkat Kemiskinan Kabupaten/Kota Di Provinsi Jawa Timur Mengunakan Algoritma K-Means++
Chintya Devi and Deden Istiawan✱
N/A
Dec. 2021
✱ As first or co-first author.
Penentuan Pusat Awal Klaster Algoritma K-Means Untuk Pengelompokan Kabupaten/Kota Di Jawa Timur Berdasarkan Tingkat Kemiskinan
Elok Maria and Deden Istiawan✱
N/A
Jun. 2021
✱ As first or co-first author.
Prediction of LQ45 Index in Indonesia Stock Exchange: A Comparative Study of Machine Learning Techniques
Abdul Syukur and Deden Istiawan✱
N/A
Jan. 2021
✱ As first or co-first author.
Comparative analysis of classification algorithms for critical land prediction in agricultural cultivation areas
Deden Istiawan✱ and Azzam Haidar
N/A
Oct. 2020
✱ As first or co-first author.
Poverty Mapping in Central Java Province Using K-Means Algorithm
Deden Istiawan✱ and Azzam Haidar
N/A
Mar. 2020
✱ As first or co-first author.
Implementation of C4.5 Algorithm for Critical Land Prediction in Agricultural Cultivation Areas in Pemali Jratun Watershed
Deden Istiawan✱ and Laelatul Khikmah
N/A
Sep. 2019
✱ As first or co-first author.
Implementasi Algoritma Naive Bayes untuk Klasifikasi Lahan Kritis pada Kawasan Budidaya Pertanian
Deden Istiawan✱ and Azzam Haidar
N/A
Apr. 2019
✱ As first or co-first author.
Pemetaan Kabupaten/Kota Di Provinsi Jawa Tengah Berdasarkan Tingkat Kemiskinan Menggunakan Algoritma K-Harmonic Means
Rijna Nirwana and Deden Istiawan✱
N/A
Apr. 2019
✱ As first or co-first author.
Penerapan Algoritma Self Organizing Maps Untuk Pemetaan Penyandang Kesejahteraan Sosial (PMKS) di Provinsi Jawa Tengah Tahun 2016
Tanti Yulianita and Deden Istiawan✱
N/A
Feb. 2018
✱ As first or co-first author.
Perbandingan Algoritma C4. 5, Naïve Bayes dan K-Nearest Neighbour untuk Prediksi Lahan Kritis di Kabupaten Pemalang
Nur Khotimah and Deden Istiawan✱
N/A
Feb. 2018
✱ As first or co-first author.
Penerapan Partition Entropy Index, Partition Coefficient Index dan Xie BeniIndex untuk Penentuan Jumlah Klaster Optimal pada Algoritma Fuzzy C-Means dalam Pemetaan Tingkat Kesejahteraan Penduduk Jawa Tengah
Syayidati Mashfuufah and Deden Istiawan✱
N/A
Feb. 2018
✱ As first or co-first author.
Penentuan Pusat Awal Klaster Algoritma K-Means Untuk Pemetaan Tingkat Kesejahteraan Di Provinsi Jawa Tengah
Deden Istiawan✱ and Azzam Haidar
N/A
Feb. 2018
✱ As first or co-first author.
Estimasi Parameter Regresi Logistik Dengan Metode Bootstrap Dan Jackknife Untuk Sampel Kecil
Dinda Wisudawati and Deden Istiawan✱
N/A
Feb. 2017
✱ As first or co-first author.
Penerapan Seleksi Atribut Berdasarkan Koefisien Variansi dan Korelasi untuk Inisialisasi Pusat Awal Klaster pada Algoritma K-Means dalam Pemetaan E-Government Tahun 2016
Ivon Apriliyaningsih and Deden Istiawan✱
N/A
Feb. 2017
✱ As first or co-first author.
Penerapan algoritma fuzzy C-means untuk pengelompokan kabupaten/kota di Jawa Tengah berdasarkan status kesejahteraan tahun 2015
Nurika Nidyashofa and Deden Istiawan✱
N/A
Feb. 2017
✱ As first or co-first author.
Implementasi Algoritma K-modes untuk Penentuan Prioritas Rehabilitasi Daerah Aliran Sungai Berdasarkan Parameter Lahan Kritis
Tanti Yulianita and Deden Istiawan✱
N/A
Feb. 2017
✱ As first or co-first author.