Search Results - Random variables.

  1. PROGRESS REPORT: Developing Data‑Driven Agronomic Recommendations for Site‑Specific Nutrient Management on Rice in Cambodia by Mabilangan, Abigail, Mkuhlani, Siyabusa, Saito, Kazuki

    Published 2025
    “…Reverse and forward -QUEFTS, together with -gradient boosting and random forest models, reproduce observed yields with moderate to good predictive skill and provide -apparent soil N, P, and K supply estimates that can be mapped across the rice domain. …”
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    Informe técnico
  2. Living with Climate Change: Assessment of the Adaptive Capacities of Smallholders in Central Rift Valley, Ethiopia by Mekonnen, Z., Kassa, H.

    Published 2019
    “…How do smallholder farmers live with climate change and variability challenges? On the basis of this question, this study has assessed the factors that determine the adaptive capacities, strategies and livelihoods of smallholders to climate change and variability; and the role of climate capacities and landscape functions for sustainable adaptation in response to climate change and variability. …”
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    Journal Article
  3. Changing terrain: evidence of climate change impacts and adaptive responses of Dagbani Indigenous Communities, northern Ghana by Attoh, Emmanuel M. N. A. N., Afriyie, R., Kranjac-Berisavljevic, G., Bessah, E., Ludwig, F.

    Published 2024
    “…Using focus group discussions and simple random and convenience quota sampling techniques, 125 households and 175 individuals were interviewed. …”
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    Book Chapter
  4. The relative importance of rainfall, temperature and yield data for a regional scale crop model by Watson, J., Challinor, Andrew J.

    Published 2013
    “…Two methods were employed to introduce error into rainfall, temperature and crop yield inputs at seasonal and climatological timescales: (1) random temporal resequencing, and (2) biasing values. …”
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    Journal Article
  5. Morphological and molecular characterization of common bean landraces and cultivars from the Caribbean by Durán, L.A., Blair, Matthew W., Giraldo Zapata, Martha C., Macchiavelli, Raúl E., Prophete, E, Nin, JC, Beaver, James S.

    Published 2005
    “…Knowledge of this variability may provide useful information concerning the potential value of Caribbean landraces to Andean bean breeding programs.…”
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    Journal Article
  6. The heritability of protein and methionine in beans (Phaseolus vulgaris) by Kelly, James D.

    Published 1974
    “…The resulting generations were grown in Wisconsin, USA (1972) in a completely random design and selections of F1 and F2 hybrid material were grown at CIAT, Colombia (1973). …”
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    Informe técnico
  7. Effect of bias correction of satellite-rainfall estimates on runoff simulations at the source of the Upper Blue Nile by Habib, E., Haile, Alemseged Tamiru, Sazib, N., Zhang, Y., Rientjes, T.H.M.

    Published 2014
    “…Results of numerous evaluation studies indicated that satellite-rainfall products are contaminated with significant systematic and random errors. Therefore, such products may require refinement and correction before being used for hydrologic applications. …”
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    Journal Article
  8. Genetic analysis of thrips resistance in cowpea (Vigna unguiculata [L.] Walp.) by Oladejo, A.S., Boukar, O., Fatokun, C.A., Obisesan, I.O.

    Published 2017
    “…Data on number of peduncles, number of pods and number of thrips per flower were recorded and subjected to analysis of variance using random model by SAS 9.2. Significant variability was observed for most agronomic and thrip-adaptive traits among the cowpea germplasm, parental-lines and F1 genotypes evaluated. …”
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    Journal Article
  9. Effects of compost application rates and mulch thickness on tomato (Solanum lycopersicum l.) yield, quality and soil physicochemical properties under salt affected soil of Dugda Di... by Wodajo, D.

    Published 2015
    “…The growth variables were also not significantly affected by the interaction effects of compost and mulch thickness. …”
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    Tesis
  10. Characterization of maize producing households in the dry savanna of Mali by Fofana, M., Abdoulaye, Tahirou, Coulibaly, N., Sanogo, D., Langyintuo, A.

    Published 2011
    “…A total of 150 households were randomly selected and interviewed with structured questionnaires. …”
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    Informe técnico
  11. Explaining wine scores through stochastic frontier analysis: an intent to measure sensory non-observable attributes by Ferro, Gustavo Adolfo, Gatti, Nicolas

    Published 2024
    “…We find that the observable variables explain part of the ‘efficiency’ in attaining scores and suggest that ‘inefficiency’ in score generation can be attributed to unobservable (sensory) variables.…”
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    Artículo

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