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3 A guided tour 38repl 3 -0.8713 1.755repl 4 -3.852 1.755The .yht fileThe following is an extract from nin89.yht containing the predicted values ofthe observations (column 2), the residuals (column 3) and the diagonal elementsof the hat matrix. This final column can be used in tests involving the residuals,see Section 2.5 under Diagnostics..Record Yhat Residual Hat1 30.442 -1.192 13.012 27.955 3.595 13.013 32.380 2.670 13.014 23.092 7.008 13.015 31.317 1.733 13.016 29.267 0.9829 13.017 26.155 9.045 13.018 24.567 -5.167 13.019 23.530 0.8204 13.01222 16.673 9.877 13.01223 24.548 1.052 13.01224 23.786 3.114 13.013.7 Tabulation, predicted values and functions of the variance componentsIt may take several runs of ASReml to determine an appropriate model for thedata, that is, the fixed and random effects that are important. During thisprocess you may wish to explore the data by simple tabulation. Having identifiedan appropriate model, you may then wish to form predicted values or functionsof the variance components. The facilities in ASReml to form predicted valuesand functions of the variance components are described in Chapters 10 and 11respectively. Our example only includes tabulation and prediction.The statementtabulate yield ∼ variety