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The Impact Of Different Data Processing Methods On Site-Specific Management Recommendation, Zhengzheng Gao
The Impact Of Different Data Processing Methods On Site-Specific Management Recommendation, Zhengzheng Gao
Department of Agricultural Economics: Dissertations, Theses, and Student Research
Understanding the impact of different data processing methods on site-specific management recommendation is vital to famers and consultants. This thesis investigates how data processing methods affect variable selection in production function estimation and the consequent economically optimal input use recommendation map. We utilized LASSO, a regression analysis method for feature selection. Data are collected from two years of on-farm trials from the same field in Hamilton county, Nebraska. Results suggest that the feature selection process and final recommendation about seed and nitrogen rates can be very sensitive to the way we process and analyze data, and the effects can be …