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Sa-Aat Niwitpong
PeerJ Author
2,025 Points

Contributions by role

Author 2,025

Contributions by subject area

Statistics
Computational Science
Natural Resource Management
Ecohydrology
Environmental Contamination and Remediation
Environmental Impacts
Atmospheric Chemistry
Agricultural Science
Food, Water and Energy Nexus

Sa-Aat Niwitpong

PeerJ Author

Summary

Sa-Aat Niwitpong holds PhD in statistics from La Trobe University, Australia. He is currenly working on theory of statistics especially in confidence intervals for parameter of interest and model average confidence intervals

Agricultural Science Computational Biology Drugs & Devices Ecology Environmental Impacts Statistics

Past or current institution affiliations

King Mongkut's Institute of Technology North Bangk

Work details

Professor in Statistics

King Mongkut's Institute of Technology North Bangk
Applied Statistics
Lecturer at Department of Applied Statistics

PeerJ Contributions

  • Articles 18
October 16, 2024
Estimation methods for the variance of Birnbaum-Saunders distribution containing zero values with application to wind speed data in Thailand
Natchaya Ratasukharom, Sa-Aat Niwitpong, Suparat Niwitpong
https://doi.org/10.7717/peerj.18272 PubMed 39430565
February 29, 2024
Estimation of the percentile of Birnbaum-Saunders distribution and its application to PM2.5 in Northern Thailand
Warisa Thangjai, Sa-Aat Niwitpong, Suparat Niwitpong
https://doi.org/10.7717/peerj.17019 PubMed 38436012
November 9, 2023
Confidence intervals for ratio of means of delta-lognormal distributions based on left-censored data with application to rainfall data in Thailand
Warisa Thangjai, Sa-Aat Niwitpong
https://doi.org/10.7717/peerj.16397 PubMed 38025676
June 22, 2023
Estimating average wind speed in Thailand using confidence intervals for common mean of several Weibull distributions
Manussaya La-ongkaew, Sa-Aat Niwitpong, Suparat Niwitpong
https://doi.org/10.7717/peerj.15513 PubMed 37366422
December 7, 2022
Estimation of common percentile of rainfall datasets in Thailand using delta-lognormal distributions
Warisa Thangjai, Sa-Aat Niwitpong, Suparat Niwitpong
https://doi.org/10.7717/peerj.14498 PubMed 36523461
October 11, 2022
Estimation methods for the ratio of medians of three-parameter lognormal distributions containing zero values and their application to wind speed data from northern Thailand
Patcharee Maneerat, Pisit Nakjai, Sa-Aat Niwitpong
https://doi.org/10.7717/peerj.14194 PubMed 36248706
September 16, 2022
Bayesian estimation of rainfall dispersion in Thailand using gamma distribution with excess zeros
Wansiri Khooriphan, Sa-Aat Niwitpong, Suparat Niwitpong
https://doi.org/10.7717/peerj.14023 PubMed 36132216
May 18, 2022
Bayesian estimation for the mean of delta-gamma distributions with application to rainfall data in Thailand
Theerapong Kaewprasert, Sa-Aat Niwitpong, Suparat Niwitpong
https://doi.org/10.7717/peerj.13465 PubMed 35607452
February 17, 2022
Measurement of dispersion of PM 2.5 in Thailand using confidence intervals for the coefficient of variation of an inverse Gaussian distribution
Wasana Chankham, Sa-Aat Niwitpong, Suparat Niwitpong
https://doi.org/10.7717/peerj.12988 PubMed 35194534
February 4, 2022
Bayesian computation for the common coefficient of variation of delta-lognormal distributions with application to common rainfall dispersion in Thailand
Noppadon Yosboonruang, Sa-Aat Niwitpong, Suparat Niwitpong
https://doi.org/10.7717/peerj.12858 PubMed 35186465
December 20, 2021
Multiple comparisons of precipitation variations in different areas using simultaneous confidence intervals for all possible ratios of variances of several zero-inflated lognormal models
Patcharee Maneerat, Sa-Aat Niwitpong
https://doi.org/10.7717/peerj.12659 PubMed 35036147
July 2, 2021
Confidence intervals for the difference between the coefficients of variation of Weibull distributions for analyzing wind speed dispersion
Manussaya La-ongkaew, Sa-Aat Niwitpong, Suparat Niwitpong
https://doi.org/10.7717/peerj.11676 PubMed 34249509
June 23, 2021
Simultaneous confidence intervals for all pairwise differences between the coefficients of variation of rainfall series in Thailand
Noppadon Yosboonruang, Sa-Aat Niwitpong, Suparat Niwitpong
https://doi.org/10.7717/peerj.11651 PubMed 34221731
January 22, 2021
Estimating the average daily rainfall in Thailand using confidence intervals for the common mean of several delta-lognormal distributions
Patcharee Maneerat, Sa-Aat Niwitpong
https://doi.org/10.7717/peerj.10758 PubMed 33552739
September 21, 2020
Confidence intervals for the common coefficient of variation of rainfall in Thailand
Warisa Thangjai, Sa-Aat Niwitpong, Suparat Niwitpong
https://doi.org/10.7717/peerj.10004 PubMed 33005493
August 6, 2020
The Bayesian confidence intervals for measuring the difference between dispersions of rainfall in Thailand
Noppadon Yosboonruang, Sa-Aat Niwitpong, Suparat Niwitpong
https://doi.org/10.7717/peerj.9662 PubMed 32844064
February 11, 2020
A Bayesian approach to construct confidence intervals for comparing the rainfall dispersion in Thailand
Patcharee Maneerat, Sa-aat Niwitpong, Suparat Niwitpong
https://doi.org/10.7717/peerj.8502 PubMed 32095346
July 22, 2019
Measuring the dispersion of rainfall using Bayesian confidence intervals for coefficient of variation of delta-lognormal distribution: a study from Thailand
Noppadon Yosboonruang, Sa-aat Niwitpong, Suparat Niwitpong
https://doi.org/10.7717/peerj.7344 PubMed 31367487