Publications

Forecasting monthly tea production in Sri Lanka

Conference Abstract
Sangeetha S. Palanisamy, Vishaka R. B. I. Rathnamalala, Hansika P. K. L. Patabendige, Ishani U. Amalage, Senuri D. R. R. Arachchige, Chandima N. P. G. Arachchige
Sangeetha S. Palanisamy, Vishaka R. B. I. Rathnamalala, Hansika P. K. L. Patabendige, Ishani U. Amalage, Senuri D. R. R. Arachchige, Chandima N. P. G. Arachchige 2026. Forecasting monthly tea production in Sri Lanka. Proceeding of International Conference on Actuarial Sciences ICActS 2026, 27
Publication year: 2026

Evaluating the role of external influences on Sri Lanka’s fisheries trade quantities: Insights into import and export patterns (2001–2024)

Prasadika R. K. M and Arachchige C. N. P. G.
Prasadika R. K. M and Arachchige C. N. P. G. 2026. Evaluating the role of external influences on Sri Lanka’s fisheries trade quantities: Insights into import and export patterns (2001–2024) Proceeding of International Conference on Applied and Pure Sciences, 2026, 143
Publication year: 2026

Attention-Augmented Deep Learning Models for Forecasting the Colombo Consumer Price Index (CCPI): A Comparative Approach

Journal
Wijamunige C. E., Arachchige C. N. P. G. and Deshani K. A. D.
Sri Lankan Journal of Applied Statistics 27 (2), 77-97.
Publication year: 2026

Systematic evaluation of signal- to-image transformation pipelines for vision transformer-based sleep stage classification

Conference Abstract
Janith R.R.H. Ramanayakage, Chandima N.P.G. Arachchige
Janith R.R.H. Ramanayakage, Chandima N.P.G. Arachchige 2026. Systematic evaluation of signal- to-image transformation pipelines for vision transformer-based sleep stage classification. Proceeding of International Conference on Biomedical Innovation, Biomed Frontiers 2026, 145
Publication year: 2026

Package ‘MADtests’

R package
LA Prendergast, C Arachchige
Prendergast, L. A., & Arachchige, C. (2026). Package ‘MADtests’.
Publication year: 2026

Forecasting Monthly Electricity Consumption for Energy Planning and Policy Development in Sri Lanka

Conference Paper
Pathirana, D Arachchige, C. N. P. G
Pathirana, D , Arachchige, CNP 2025. Forecasting Monthly Electricity Consumption for Energy Plan- ning and Policy Development in Sri Lanka. International Conference on Actuarial Sciences
Publication year: 2025

Hybrid Statistical–Machine Learning Models for Forecasting Tea, Textiles, and Apparel Exports in Sri Lanka

Conference Abstract
PAN Nuwandi, CNPG Arachchige
PAN Nuwandi, CNPG Arachchige 2025. Hybrid Statistical–Machine Learning Models for Forecasting Tea, Textiles, and Apparel Exports in Sri Lanka. Proceeding of International Conference in Data Science, 43
Publication year: 2025

Modelling Monthly Electricity Consumption in Sri Lanka Using Machine Learning and Econometric Techniques

Conference Abstract
D Pathirana, CNPG Arachchige
D Pathirana, CNPG Arachchige 2025. Modelling Monthly Electricity Consumption in Sri Lanka Using Machine Learning and Econometric Techniques. Proceeding of International Conference in Data Science, 45
Publication year: 2025

Representation Separability of Signal-to-Image Transformations for Sleep Stage Classification Using Pretrained Vision Transformers

Conference Abstract
HRJR Rashmika, CNPG Arachchige
HRJR Rashmika, CNPG Arachchige 2025. Representation Separability of Signal-to-Image Transforma- tions for Sleep Stage Classification Using Pretrained Vision Transformers. Proceeding of International Conference in Data Science, 51
Publication year: 2025

Enhancing Portfolio Optimization through Alternative Data Integration

Conference Abstract
MFF Zafra, CNPG Arachchige
MFF Zafra, CNPG Arachchige 2025. Enhancing Portfolio Optimization through Alternative Data Integration. Proceeding of International Conference in Data Science, 75
Publication year: 2025

Attention Mechanism Based Deep Learning Approaches in Forecasting the Colombo Consumer Price Index (CCPI): A Comparative Study

Conference Abstract
Wijamunige C. E., Deshani K. A. D. and Arachchige C. N. P. G.
CE Wijamunige, KAD Deshani, CNPG Arachchige 2024. Attention Mechanism Based Deep Learning Approaches in Forecasting the Colombo Consumer Price Index (CCPI): A Comparative Study. Pro- ceeding of International Statistics Conference, 73
Publication year: 2024

Confidence intervals for median absolute deviations

Journal
Arachchige, Chandima NPG, and Prendergast, Luke A.
Confidence intervals for median absolute deviations. Communications in Statistics - Simulation and Computation, 1–10. https://doi.org/10.1080/03610918.2024.2376198
Publication year: 2024

Distribution-Free Confidence Intervals for Functions of Quantiles

Arachchige, Chandima NPG
Bulletin of the Australian Mathematical Society, 1-3.
Publication year: 2020

Robust analogs to the coefficient of variation

Journal
Arachchige, Chandima NPG, Prendergast, Luke A, and Stuadte, Robert G.
Journal of Applied Statistics, 1-23
Publication year: 2020

Mean skewness measures

Arachchige, Chandima NPG, and Prendergast, Luke A.
arXiv preprint arXiv:1912.06996
Publication year: 2019

Interval estimators for ratios of independent quantiles and interquantile ranges

Journal
Arachchige, Chandima NPG, Cairns, Maxwell, and Prendergast, Luke A.
Communications in statistics-simulation and computation, 1-17
Publication year: 2019

Modeling monthly coconut prices in Sri Lanka using non-linear time series models.

Conference Abstract
Priyadarshani, GACN, Tilakaratne, CD, Sunethra, AA, Oshani, DK
Publication year: 2014