July 2015
Intermediate to advanced
482 pages
13h 28m
English
Content preview from SAS 9.4 SQL Procedure User's Guide, Second Edition, 2nd Edition
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Output 6.2 PROC SQL Output for Weighted Averages
How It Works
This solution uses an in-line view to create a temporary table that eliminates the negative
data values in the Weight column. The in-line view is a query that performs the
following tasks:
• selects the Gender and Value columns.
• uses a CASE expression to select the value from the Weight column. If Weight is
greater than zero, then it is retrieved. If Weight is less than zero, then a value of zero
is used in place of the Weight value.
(select Gender, Value,
case
when Weight>0 then Weight
else 0
end as Weight
from Sample)
The first, or outer, SELECT statement in the query, performs the ...
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