| Forecasting precipitation using SARIMA Model: A case study of Mt. Kenya Region HW Kibunja, JM Kihoro, GO Orwa, WO Yodah IISTE, 2014 | 26 | 2014 |
| Application of paired student t-test on impact of anti-retroviral therapy on CD4 cell count among HIV Seroconverters in serodiscordant heterosexual relationships: a case study … BK Rono, G Orwa, J Mungatu, A Wanjoya Mathematical Theory and Modelling 4 (10), 2014 | 9 | 2014 |
| Multivariate ratio estimator of the population total under stratified random sampling OO Ngesa, GO Orwa, RO Otieno, HM Murray Scientific Research Publishing, 2012 | 5 | 2012 |
| Generalised model based confidence intervals in two stage cluster sampling CO Onyango, RO Otieno, GO Orwa Pakistan Journal of Statistics and Operation Research, 2010 | 5 | 2010 |
| Nonparametric mixed ratio estimator for a finite population total in stratified sampling GO Orwa, RO Otieno, PN Mwita Pakistan Journal of Statistics and Operation Research, 2010 | 2 | 2010 |
| HEURISTIC FORMULATION OF OPTIMAL MULTI-OBJECTIVE QUEUES IN THE PRESENCE OF VOLATILE CONTINGENT VARIABLES GO Orwa | | 2015 |
| Generalized linear models for rainfall patterns in the presence of temperature trends in different climatic zones in Kenya P MURAGE, J Mung’atu, G Orwa | | 2015 |
| Deriving Penalized Splines For Estimation Of Time Varying Effects In Survival Data AO Orwa, GO Orwa, RO Otieno International Journal of Scientific & Technology Research, 2014 | | 2014 |
| Effects of outliers on estimation of finite population totals MZ Maua, GO Orwa, RO Otieno, LO Odongo International Journal of Engineering, Science and Mathematics 2 (2), 160-176, 2013 | | 2013 |
| Comparison of the ratio estimate to the local linear polynomial estimate of finite population totals MZ Maua, GO Orwa, RO Otieno, LO Odongo International Journal of Engineering, Science and Mathematics 2 (1), 185-202, 2013 | | 2013 |
| Non-response weighting adjustment approach in survey sampling W Etwasi, RO Otieno, PN Mwita, GO Orwa East African Journal of Statistics 1 (2), 143-161, 2006 | | 2006 |
