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标题:
请教一道proc transpose 题目
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作者:
shiyiming
时间:
2013-4-24 01:53
标题:
请教一道proc transpose 题目
如何将:
data mult_cars;
input @1 mfct $9.@11 model 1. @13 dist 3. @17 gal 2. @20 rely 1.;
datalines;
Buick 1 302 11 3
Chevrolet 1 328 10 5
Chevrolet 2 299 12 2
Chrysler 1 287 13 4
Dodge 1 331 10
Ford 1 286 11 3
Ford 2 300 12 1
Ford 3 269 14 3
Honda 1 322 11 5
Honda 2 288 14 5
Plymouth 1 296 12 3
Pontiac 1 300 12 1
Toyota 1 325 11 5
Toyota 2 270 13 5
;
用proc transpose 变成
mfct dist1 gal1 rely1 dist2 gal2 rely2 dist3 gal3 rely3
Buick 302 11 3 . . . . . .
Chevrolet 328 10 5 299 12 2 . . .
Chrysler 287 13 4 . . . . . .
Dodge 331 10 . . . . . . .
Ford 286 11 3 300 12 1 269 14 3
Honda 322 11 5 288 14 5 . . .
Plymouth 296 12 3 . . . . . .
Pontiac 300 12 1 . . . . . .
Toyota 325 11 5 270 13 5 . . .
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