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Interface to R%uf09f %uf09f RCP Consult 2021-2026 Page 77. R expressionThe expression defined in Symbolic Editor for the R interface can contain a single statement\or multiple statements separated by semicolon. In this case one statement must have an assignment to predefined variable %u2019res%u2019\Usually, this statement is the last one. It is also possible to use a global vector in expression\All kinds of expressions above will be evaluated numerically. Finally, for an intermediate processing without evaluation of the state (or other) function %u2013the %u2019%%u2019 symbol must be set on the first position. Such statements can also be seen as a kind of pre-setting.\8. How to use the R interface in a STRUREL jobDuring installation of a STRUREL program with a licensed R Interface a corresponding Addon (SAO) %u2013 StrurelToR.sao having a major export function RInterface will be placed in the \\Add-ons\\ folder. If both programs were bound as described in the first 3 sections of this document, then in STRUREL several indicators provide information about the interface. The first one is a menu item Strurel To R in main menu Help\\About Add-ons\\Interface. By selecting this item, an informative tooltip will be shown.The next indicator is a R icon placed in the status bar on the bottom. When pointing on it by mouse cursor the state of interface will be shown on the leftmost pane of the status bar.