1. SAS in Data Cleaning

2. Changing Text Words TRANWRD(source,target,replacement)
replaces or removes all occurrences of a word in a character string
Will change all occurrences of the target character string with the new one.
Supplier= Tranwrd(supplier, "Incorporated", "Inc.");

3. Extract a specific ‘word’ from a string.
SCAN(argument,n<,delimiters>)returns a given word from a character expression
Extracts the n-th word from the string. The delimiters can define the word. Default delimiters are blank and special characters.
If scan(Reverse(Trim(supplier)),1, " ") = "& " then do; …

4. Extracting specific characters by position
var=SUBSTR(argument,position<,n>)
extracts a substring from an argument. (var is any valid SAS variable name.)
Position starts with 1. n is number of characters to extract
Department= Substr(pcode,1,2);

5. If … Then IF condition THEN action; Or IF condition THEN DO;
Statements
END;

6. Multiple output data sets
DATA One Two;
SET Input; …
OUTPUT One;
OUTPUT Two;