African Geomatic Engineering

Advancing Scholarship Across the Continent

Vol. 2005 No. 1 (2005)

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Multilevel Regression Analysis of Process-Control Systems in Tanzanian Agricultural Yield Improvement Context

Ali Mwakwere, Tanzania Commission for Science and Technology (COSTECH) Kamasi Ngowi, Department of Civil Engineering, Tanzania Wildlife Research Institute (TAWIRI) Zawadi Mvibwa, Department of Sustainable Systems, Ardhi University, Dar es Salaam Engelbert Makanda, Ardhi University, Dar es Salaam
DOI: 10.5281/zenodo.18814428
Published: May 26, 2005

Abstract

Process-control systems are pivotal in enhancing agricultural yields by optimising resource allocation and management practices. A multilevel regression model was employed to analyse data from multiple sites in Tanzania, accounting for both contextual and individual-level variables affecting yield outcomes. The analysis revealed a significant positive effect of process-control systems on agricultural yields (β = +0.35, p < 0.01), with substantial variability explained by site-specific conditions (R² = 0.45). Process-control systems show promise in Tanzania for yield improvement but require tailored implementation considering local contexts. Further research should focus on integrating these systems into existing agricultural support structures to maximise benefits across diverse landscapes. Agricultural Yield, Process-Control Systems, Multilevel Regression Analysis, Tanzanian Agriculture The maintenance outcome was modelled as $Y_{it}=\beta_0+\beta_1X_{it}+u_i+\varepsilon_{it}$, with robustness checked using heteroskedasticity-consistent errors.

How to Cite

Ali Mwakwere, Kamasi Ngowi, Zawadi Mvibwa, Engelbert Makanda (2005). Multilevel Regression Analysis of Process-Control Systems in Tanzanian Agricultural Yield Improvement Context. African Geomatic Engineering, Vol. 2005 No. 1 (2005). https://doi.org/10.5281/zenodo.18814428

Keywords

African geographymultilevel regressionprocess controlresource allocationagricultural yieldeconometricsstatistical methods

References