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Chapter 4 Model Adequacy Checking
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Chapter 4 Model Adequacy Checking - IIT Kanpur
home.iitk.ac.inRegression Analysis | Chapter 4 | Model Adequacy Checking | Shalabh, IIT Kanpur 4 It is to be kept in mind that we get only the information on pairs of variables through the scatterplot of ( versus ),y X1 ( versus ),yX2 …, ( versus )y Xk whereas the assumption of linearity is between y and jointly with (X12, ,.., ).XXk If some of the explanatory variables are themselves interrelated, then ...
The ARIMA Procedure
dms.umontreal.ca2. In the estimation and diagnostic checking stage, you use the ESTIMATE state-ment to specify the ARIMA model to fit to the variable specified in the previous IDENTIFY statement, and to estimate the parameters of that model. The ES-TIMATE statement also produces diagnostic statistics to help you judge the adequacy of the model.