EXPERT@UPSI

DR. RISWAN EFENDI

riswanefendi
@fsmt.upsi.edu.my

EXPERTISE

Research
(Principal Investigator)

1 RM9,612

Publication

24

Supervision

4

PhD

6

Master

Biography

A lecturer from the Faculty Of Science And Mathematics , Universiti Pendidikan Sultan Idris (UPSI), Tanjung Malim, Perak, Malaysia. Specializes in Fuzzy Time Series Model, Rough-Regression Model, Quantitative Data Analysis, and Soft Computing.

Consultation
Adulation

1	Integrated Data Reduction Approach In Improving Logistic Regression Performance Based On Rough Set Theory 2026 PhD International Supervisor Completed
2	Improvement Of Tanaka’s Fuzzy Regression Predictive Performance Using KNN-Based Approaches 2026 PhD International Supervisor Waiting for Viva
3	Fuzzy Rough Regression For Inconsistent Data 2026 PhD International Supervisor Presentation
4	Enhancing K-Nearest Neighbor Performance Using Feature Selection Approach 2026 PhD International Supervisor Presentation
5	Pembangunan Modul Masteri/X Membantu Pembelajaran Topik Pendaraban Dalam Matematik 2023 Master National Supervisor Completed
6	EFFECTIVENESS OF DIGITAL GAME-BASED LEARNING ON STUDENTS ACADEMIC ACHIEVEMENT AND ENGAGEMENT IN LEARNING FRACTIONS YEAR 3 2024 Master National Supervisor Completed
7	Efficacy Of Mastery Learning And Student's Enthusiasm In Learning Fraction 2023 Master National Supervisor Completed
8	Tahap Pengetahuan, Kesediaan Dan Faktor Yang Mempengaruhi Integrasi ChatGPT Dalam Pengajaran Matematik Oleh Guru Sekolah Menengah 2025 Master National Supervisor Completed
9	Kebimbangan Matematik Dan Penentunya Menggunakan Pendekatan Set Kasar (rough Sets) Dan K-nearest Neighbours (k-NN) 2026 Master National Supervisor Presentation
10	Effectiveness Of Mathematics Learning Style In Digital Era Among Secondary School Student In Malaysia Using Factor Analysis 2026 Master National Supervisor In Progress

1	E-PROSIDING E-SIMPOSIUM PROJEK PENYELDIKAN TAHUN AKHIR JABATAN MATEMATIK 2021 FAKULTI SAINS DAN MATEMATIK

1	The Role of Malaysian Mathematics Teachers in Promoting 21st Century Learning 2022 International
2	LOCALLY WEIGHTED KNN-BASED FUZZY REGRESSION FOR PROPERTY VALUATION UNDER MARKET UNCERTAINTY 2026
3	K-Nearest Neighbor Regression for Predicting Song Popularity Using Gower Distance 2025
4	An Immense Approach of High Order Fuzzy Time Series Forecasting of Household Consumption Expenditures with High Precision 2024

1	LOCALLY WEIGHTED KNN-BASED FUZZY REGRESSION FOR PROPERTY VALUATION UNDER MARKET UNCERTAINTY Jurnal Matematika Unand 2026Google ScholarCo-AuthorCorrespondence Author
2	Essentials of Preprocessing Data in Improving Logistic Regression Performance Based on Rough Sets Theory: A Case Study of Stunting in West Sumatra, Indonesia Journal of Science and Mathematics Letters 2025SCOPUSCo-AuthorCorrespondence Author
3	K-Nearest Neighbor Regression for Predicting Song Popularity Using Gower Distance EDUCATUM Journal of Science Mathematics and Technology 2025Malaysian Citation IndexCo-AuthorCorrespondence Author
4	Cleansing of Inconsistent Sample in Linear Regression Model based on Rough Sets Theory Systems and Soft Computing 2023SCOPUSCorrespondence Author
5	Fuzzy Autoregressive Time Series Model Based on Symmetry Triangular Fuzzy Numbers New Mathematics and Natural Computation 2021SCOPUSFirst Author
6	High Accuracy Data Classification and Feature Selection for Incomplete Information Systems Using Extended Limited Tolerance Relation and Conditional Entropy Approach IEEE Access 2025SCOPUSCo-Author
7	An Immense Approach of High Order Fuzzy Time Series Forecasting of Household Consumption Expenditures with High Precision Applied Computer Systems 2024Google ScholarCo-Author
8	EXAMINING RISK FACTORS OF ANEMIA IN PREGNANCY USING HYBRID LOGISTIC REGRESSION MODEL AND ROUGH SET THEORY Barekeng: Journal of Mathematics and Its Application 2024SCOPUSCo-Author
9	Designing and Developing Global Citizenship Education Module on Unity for Mathematics Classroom Journal of Advanced Zoology 2023Excellent Research Australia (ERA)Co-Author
10	The Role of Malaysian Mathematics Teachers in Promoting 21st Century Learning Journal of Positive School Psychology (JPSP) 2022Google ScholarCo-Author
11	The Relationships between Teachers Pedagogical Content Knowledge, Teaching Styles and Efficacies among Primary School Mathematics Teachers Review of International Geographical Education 2021SCOPUSCo-Author

1	Improved Rough-Multiple Regression for Unemployment Rate Model in Indonesia 2024 International
2	Improved Rough-Multiple Regression for Unemployment Rate Model in Indonesia 2024 International
3	Most Profitable Currency Exchange for ASEAN Countries Using Dijkstra’s Algorithm 2022 International
4	Modeling Public Crime Type Using Multinomial Logistic Regression and-Nearest Neighbor: Pre-and During-Pandemic COVID-19 2022 International
5	The Effects of Data Reduction Using Rough Set Theory on Logistic Regression Model 2025 International
6	The Effects of Data Reduction Using Rough Set Theory on Logistic Regression Model 2024 International
7	Customer’s Behavior in Purchase Decision of Textile Materials: Rough-Regression Model 2022 International

1	Discovering Malang: FSM Mobility Students and Staff Dive into Culture, Adventure, and Knowledge 2025 Popwrit National
2	Song Cover: Mimpi yang tak sudah 2023 Creative National
3	FSM Mobility Students and Staff Embark on Exciting Academic Exchange Journey in Indonesia: Exploring Nature, Culture and New Learning Opportunities 2024 Popwrit National
4	Song: Bandara Hang Nadim 2023 Creative National
5	Song Cover: Lemak Manis 2023 Creative National

1	Impact Of Social Media Usage On University Students??? Academic Performance During Pandemic Crisis Using Android's Screen Time-based 2021 Leader Universiti Pendidikan Sultan Idris In Progress
2	MAPPING DAMPAK PENELITIAN DOSEN TERHADAP SOSIAL-EKONOMI MASYARAKAT MENGGUNAKAN ANALISIS FAKTOR: CROSS-SECTIONAL STUDY UIN SE-SUMATERA 2024 Member Mutinasional/Asing In Progress