L D Weaver

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Time series analysis of milk yield data collected three times daily was used to create stochastic models for short-term forecasting of milk production. These models can be used in systems for automated registration of daily milk weights. Analyses were carried out on partial or complete lactation yield data from 513 lactations. Time series analysis showed(More)
Missing values are often a problem in data analysis. Simple elimination of observations with missing values from the study may lead to unacceptable loss of information. Instead, missing values may be estimated. Procedures for estimation of the parameters in linear models allow for missing observations in the dependent and independent variables. In serially(More)
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