TAILIEUCHUNG - SAS/ETS 9.22 User's Guide 104

SAS/Ets User's Guide 104. Provides detailed reference material for using SAS/ETS software and guides you through the analysis and forecasting of features such as univariate and multivariate time series, cross-sectional time series, seasonal adjustments, multiequational nonlinear models, discrete choice models, limited dependent variable models, portfolio analysis, and generation of financial reports, with introductory and advanced examples for each procedure. You can also find complete information about two easy-to-use point-and-click applications: the Time Series Forecasting System, for automatic and interactive time series modeling and forecasting, and the Investment Analysis System, for time-value of money analysis of a variety of investments | 1022 F Chapter 18 The MODEL Procedure BOTH specifies that model files be written to both XML and CATALOG formats. When BOTH is specified model files are read from the data set first and read from the SAS catalog only if the data set is not found. This is the default option. Options to List or Analyze the Structure of the Model These options produce reports on the structure of the model or list the programming statements that define the models. These options are automatically reset turned off after the reports are printed. To turn these options back on after a RUN statement has been entered use the RESET statement or specify the options on a FIT or SOLVE statement. BLOCK prints an analysis of the structure of the model given by the assignments to model variables appearing in the model program. This analysis includes a classification of model variables into endogenous dependent and exogenous independent groups based on the presence of the variable on the left-hand side of an assignment statement. The endogenous variables are grouped into simultaneously determined blocks. The dependency structure of the simultaneous blocks and exogenous variables is also printed. The BLOCK option cannot analyze dependencies implied by general form equations. GRAPH prints the graph of the dependency structure of the model. The GRAPH option also invokes the BLOCK option and produces a graphical display of the information listed by the BLOCK option. LIST prints the model program and variable lists including the statements added by PROC MODEL and macros. LISTALL selects the LIST LISTDEP LISTDER and LISTCODE options. LISTCODE prints the derivative tables and compiled model program code. LISTCODE is a debugging feature and is not normally needed. LISTDEP prints a report that lists for each variable in the model program the variables that depend on it and that it depends on. These lists are given separately for current-period values and for lagged values of the variables. The information .

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