data have;
infile datalines dlm=',' dsd;
input InvoiceNo StockCode:$12. Description:$30. Quantity InvoiceDate:ANYDTDTE. UnitPrice:best12.2 CustomerID Country:$20.;
format InvoiceDate date9.;
datalines;
536365,85123A,WHITE HANGING HEART T-LIGHT HOLDER,6,01-12-10 8:26,2.55,17850,United Kingdom
536365,71053,WHITE METAL LANTERN,6,01-13-10 8:26,3.39,17850,United Kingdom
536365,84406B,CREAM CUPID HEARTS COAT HANGER,8,01-14-10 8:26,2.75,17850,United Kingdom
536365,84029G,KNITTED UNION FLAG HOT WATER BOTTLE,6,01-15-10 8:26,3.39,17850,United Kingdom
536365,84029E,RED WOOLLY HOTTIE WHITE HEART.,6,01-16-10 8:26,3.39,17850,United Kingdom
536365,22752,SET 7 BABUSHKA NESTING BOXES,2,01-17-10 8:26,7.65,17850,United Kingdom
536365,21730,GLASS STAR FROSTED T-LIGHT HOLDER,6,01-18-10 8:26,4.25,17850,United Kingdom
536366,22633,HAND WARMER UNION JACK,6,01-19-10 8:28,1.85,17850,United Kingdom
536366,22632,HAND WARMER RED POLKA DOT,6,01-20-10 8:28,1.85,17850,United Kingdom
536367,84879,ASSORTED COLOUR BIRD ORNAMENT,32,01-21-10 8:34,1.69,13047,United Kingdom
536367,22745,POPPY'S PLAYHOUSE BEDROOM ,6,01-22-10 8:34,2.1,13047,United Kingdom
536367,22748,POPPY'S PLAYHOUSE KITCHEN,6,01-23-10 8:34,2.1,13047,United Kingdom
536367,22749,FELTCRAFT PRINCESS CHARLOTTE DOLL,8,01-24-10 8:34,3.75,13047,United Kingdom
536367,22310,IVORY KNITTED MUG COSY ,6,01-25-10 8:34,1.65,13047,United Kingdom
536367,84969,BOX OF 6 ASSORTED COLOUR TEASPOONS,6,01-26-10 8:34,4.25,13047,United Kingdom
536367,22623,BOX OF VINTAGE JIGSAW BLOCKS ,3,01-27-10 8:34,4.95,13047,United Kingdom
536367,22622,BOX OF VINTAGE ALPHABET BLOCKS,2,01-28-10 8:34,9.95,13047,United Kingdom
536367,21754,HOME BUILDING BLOCK WORD,3,01-29-10 8:34,5.95,13047,United Kingdom
536367,21755,LOVE BUILDING BLOCK WORD,3,01-30-10 8:34,5.95,13047,United Kingdom
536367,21777,RECIPE BOX WITH METAL HEART,4,01-31-10 8:34,7.95,13047,United Kingdom
;
run;
proc sql;
create table want as
select *, (select max(InvoiceDate) from
(select InvoiceDate from
( select InvoiceDate,sum(UnitPrice) as _price from have
where InvoiceDate between h.InvoiceDate-1 and h.InvoiceDate-8
group by InvoiceDate
)
group by InvoiceDate having max(_price)
)
) format date9. as Last_week_max_sale
from have h;
quit; This is a long file, please post small examples or sample input output, that way it becomes easy for us to solve an issue. Please let us know if it helped.
... View more