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Index in sas data step if statement: >> http://bit.ly/2xmXsp1 << (download)
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For more information, see Overview of DATA Step Processing in SAS Language When using the SET statement with the KEY= option and a non-unique index, it is If more than one data set is listed in the SET statement, NOBS= the total
Searches a character expression for a string of characters, and returns the position If there are multiple occurrences of the string, INDEX returns only the position of options nodate nostimer ls="78" ps="60;" data _null_; length a b $14; a='ABC.
16 Nov 2015 In datastep, 'if' could be used with 'index/find/findw', but if you want to use 'like', you must use 'where' and 'like' together. data want; set
1 Jun 2005 Using SET, MERGE, or UPDATE statement if within the DATA step*, X, X . merging data set; Use WHERE statement when specifying indexes.
SAS data set and when an index can optimize a BY statement. After reading this data set sequentially. Therefore, if you will be extracting small subsets from a large SAS data A WHERE statement in a DATA or PROC step. • A BY statement
Using SET, MERGE or UPDATE statement if within the DATA step*. X. X Using index, if available. X . The DATA step uses the IF statement to keep the. FIRST
The use of the MERGE statement inside a datastep is the most common way this IF a;. RUN;. This method is the most common way of merging data as it gives inside a DATASETS or SQL procedure, or INDEX option inside a DATA step.
18 May 2011 Both the IF and WHERE statements can be used to subset data. The LIKE Another alternative is to use the INDEX and UPCASE functions.
Execute a SAS DATA step in which the denominator statement. A WHERE statement and a subsetting IF statement both . SAS functions INDEX and INDEXC.
10 Nov 2015 If it is not found INDEX returns zero. An if statement in SAS without a comparison operator (=><,eq,gt) resolves to true if it has a positive
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