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- DATA Step: How do I remove consecutive blanks from a text string?
Answer: While the COMPRESS function in SAS will remove, by default, every instance of the blank space, sometimes it is desirable to remove all-but-one of the ... - DATA Step: How do I remove repeated characters from a text string?
Answer: The COMPRESS function has a number of additional arguments which allow for the removal of all instances of certain designated characters, or groups of characters ... - Macros: How long is a character variable retrieved from a macro variable?
Answer: Macro variables are always stored as text and have different characteristics to dataset variables. Variables in a dataset have a minimum length of 1, a ... - PROC SQL: How can I stop certain functions setting the length of the result to 200?
Answer: In the Language of SAS there are essentially three lengths which character manipulation functions will return: 8 bytes 200 bytes Inherited from the source Where the system can make ... - Macros: What can I use the CALL EXECUTE routine for?
Answer: In code which has no Macro Language statements consideration need only be given to the two phases of processing: Compilation Execution Code will be executed in a linear ... - Macros: When is a positional parameter not a positional parameter?
Answer: Macro Program definitions allow for both positional and keyword parameters. Positional paramater values must be specified on the Macro Program call in the order in ... - Macros: Can I get SAS to create pop-up message boxes in Windows?
Answer: Using Display Manager commands allow you to create pop-up boxes which enable you to issue bespoke messages to the user. Create a 'utility' macro program which will ... - Macros: Is it possible to use both single and double quotes inside a quoted text string?
Answer: Attempting to include examples of both single and double quotation marks inside a quoted string causes problems with early termination of the quoted string, e.g.: title ... - Macros: Are there any efficiency benefits to using the KEEP= dataset option?
Answer: One of the largest 'costs' in processing any code is the I/O (Input / Output), the physical transfer of data from and to disk storage. ... - Macros: What are the advantages of using nested macro program definitions?
Answer: Macro variables created in 'open code' i.e. outwith a macro program definition are stored on the GLOBAL Symbol Table, and as such are globally available ...
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