John Ndiritu
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View article: Adaptive infant cry classification using multi-armed bandit modality selection in an attentive convolutional recurrent neural network model
Adaptive infant cry classification using multi-armed bandit modality selection in an attentive convolutional recurrent neural network model Open
Accurate and timely detection of infant needs through their suggestive cries is crucial for effective intervention and improved well-being. However, existing infant cry classification methods often struggle with the inherent variability of…
View article: Rice Yield Prediction using Machine Learning and Remote Sensing Vegetation Indices from Sentinel2, Landsat and MODIS in Mali
Rice Yield Prediction using Machine Learning and Remote Sensing Vegetation Indices from Sentinel2, Landsat and MODIS in Mali Open
Rice is the second most important cereal crops in Mali, a region marked by climatic variability and agricultural vulnerability. According to the UN FAOSTAT, its production has almost tripled over the past 15 years, while its rice-growing l…
View article: Sorghum yield prediction based on remote sensing and machine learning in conflict affected South Sudan
Sorghum yield prediction based on remote sensing and machine learning in conflict affected South Sudan Open
View article: Predicting Sorghum Yield in Data-Scarce and Conflict-Affected South Sudan Using Machine Learning Techniques.
Predicting Sorghum Yield in Data-Scarce and Conflict-Affected South Sudan Using Machine Learning Techniques. Open
South Sudan continues to experience conflict. Agriculture production remains a crucial food and economic security feature for the overwhelming majority of the population and Sorghum is a key staple crop. In this country, sorghum yield esti…
View article: Editorial: Innovating a new knowledge base for water justice studies: hydrosocial, sociohydrology, and beyond
Editorial: Innovating a new knowledge base for water justice studies: hydrosocial, sociohydrology, and beyond Open
Creating a new knowledge base that centers water justice (Zwarteveen and Boelens, 2014; Sultana, 2018; Wölfle-Hazard, 2022) in hydrosocial and sociohydrology studies involves a broader discussion about why justice matters, how to work towa…
View article: Class Prediction of High-Dimensional Data with Class Imbalance: Breast Cancer Gene Expression Data
Class Prediction of High-Dimensional Data with Class Imbalance: Breast Cancer Gene Expression Data Open
Breast cancer remains a leading cause of mortality among women worldwide, with early and accurate diagnosis being critical for effective treatment. Gene expressionprofiling has emerged as a powerful tool for understanding the molecular mec…
View article: Pediatric prognostic models predicting inhospital child mortality in resource‐limited settings: An external validation study
Pediatric prognostic models predicting inhospital child mortality in resource‐limited settings: An external validation study Open
Background and Aims Prognostic models provide evidence‐based predictions and estimates of future outcomes, facilitating decision‐making, patient care, and research. A few of these models have been externally validated, leading to uncertain…
View article: Recalibrating prognostic models to improve predictions of in‐hospital child mortality in resource‐limited settings
Recalibrating prognostic models to improve predictions of in‐hospital child mortality in resource‐limited settings Open
Background In an external validation study, model recalibration is suggested once there is evidence of poor model calibration but with acceptable discriminatory abilities. We identified four models, namely RISC‐Malawi (Respiratory Index of…
View article: Grounding sociohydrology through a justice lens  
Grounding sociohydrology through a justice lens   Open
<p>This paper considers the theoretical and empirical potential of a focus on water justice to ground sociohydrology scholarship. The field of sociohydrology recognises the role of humans in altering – deliberately or not &…
View article: Challenges and avenues for acid mine drainage treatment, beneficiation, and valorisation in circular economy: A review
Challenges and avenues for acid mine drainage treatment, beneficiation, and valorisation in circular economy: A review Open
View article: Modelling and assessing the impact of illegal water abstractions by upstream farmers on reservoir performance
Modelling and assessing the impact of illegal water abstractions by upstream farmers on reservoir performance Open
This study proposes a reservoir yield analysis that incorporates the realities of upstream illegal human activities relating to water abstraction. The study assesses the impact of such unlawful human activities on reservoir storage and yie…
View article: Comment on hess-2021-72
Comment on hess-2021-72 Open
Abstract. Water resources infrastructure is critical for energy and food security; however, the development of large-scale infrastructure, such as hydropower dams, may significantly alter downstream flows, potentially lead…
View article: Hydraulic characteristics of a fractured crystalline basement aquifer in Nzhelele area, Limpopo Province, South Africa
Hydraulic characteristics of a fractured crystalline basement aquifer in Nzhelele area, Limpopo Province, South Africa Open
Knowledge on hydraulic characteristics of fractured crystalline basement aquifers is limited resulting to lack of reliable information for effective groundwater management. This is crucial as these aquifers provide good sources of potable …
View article: Guidelines for rainwater harvesting system design and assessment for the city of Johannesburg, South Africa
Guidelines for rainwater harvesting system design and assessment for the city of Johannesburg, South Africa Open
As water demand increases rainwater harvesting (RWH) systems are increasingly being installed for water supply but comprehensive hydrologic design guidelines for RWH do not exist in many parts of the world. The objective of this study was …
View article: Fuzzy and process modelling of contour ridge water dynamics
Fuzzy and process modelling of contour ridge water dynamics Open
Contour ridges are an in-situ rainwater harvesting technology developed initially for soil erosion control but are currently also widely promoted for rainwater harvesting. The effectiveness of contour ridges depends on geophysical, hydro-c…
View article: Generalized Storage–Yield–Reliability Relationships for Analysing Shopping Centre Rainwater Harvesting Systems
Generalized Storage–Yield–Reliability Relationships for Analysing Shopping Centre Rainwater Harvesting Systems Open
The objective of this study was to develop guidelines for analysing rainwater harvesting (RWH) systems of shopping centres in South Africa. A model consisting of three dimensionless relationships relating rainwater supply and demand to sto…
View article: Generalized Storage-yield-reliability Relationships for Sizing and Assessing Shopping Centre Rainwater Harvesting Systems in South Africa
Generalized Storage-yield-reliability Relationships for Sizing and Assessing Shopping Centre Rainwater Harvesting Systems in South Africa Open
The objective of this study was to develop guidelines for rainwater harvesting system sizing of shopping centres in South Africa. Three generalized dimensionless relationships relating rainwater supply and demand to tank size, yield and re…
View article: Yield-reliability analysis and operating rules for run-of-river abstractions for typical rural water supply: Siloam Village case study
Yield-reliability analysis and operating rules for run-of-river abstractions for typical rural water supply: Siloam Village case study Open
The study focused on yield-reliability analysis and operating rules for optimum scheduling of run-of-river (ROR) abstractions for typical rural water supply schemes using Siloam Village, Limpopo Province, South Africa, as a case study. Eff…