Title: SAS
1SAS ??????
Statistical Analysis System
2??? ??
- 1.1 SAS????
- SAS???SAS??????????????????,??????????????????????
????????????--????????,??????????????,????????????
,???????????????????????,???????????????????SAS???
??????????????????? ??????,?????????
3??? ??
- 1.1 SAS????
- SAS???SAS????1976???????,????????????3?????
- SAS ????????,?????????,????????????????SAS????????
?????(????SPSS?????),??????????,??????????
4??? ??
1.1 SAS????
1.1.1 ???SAS
SAS???????????????? ?30????????,?? 1??????(Base
SAS) 2?????(SAS/STAT?) 3???????(SAS/GRAPH?) 4?
???????(SAS/ACCESS?)
5- 1.1.2 SAS??????
- 1966?, ??North Carolina???????
- 1976?, SAS????? ?
- 1985?, ??????????
-
- ??,????????????????
- ???????,?????????
6- ? ????SAS????
- ??????
- ??????
- t??
- ????
- ????
- ?????
- ????
-
71.2 SAS???????
1.2.1 SAS????????
? ??
??1?????? ??2????????????
81.2 SAS???????
1.2.1 SAS????????
? ??????
?? PGM ?????? F5 LOG ???? F6 OUTPUT ???? F
7 ?? ???????? ??? ????????
91.2.1 SAS????????
? ??
??1?????? ??2???????File???Exit...? ??3??????BY
E?ENDSAS??
101.2.2 ???????????SAS??
? ??SAS??
????????,?PGM???????
????????,??????????????? ????????????????
?????????? ???????????????
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131.2.2 ???????????SAS??
? ??????????????,?????? ?DATA????
INPUT???????? , ?????? ???
CARDS????????? ?????????,??????
??????????????????????????????
?PROC????,??????????????????????RUN???
141.2.2 ???????????SAS??
? ??SAS??
??????????? ???????F8 ??????????Locals???Subm
it? ?????????SUBMIT ?????
151.2.2 ???????????SAS??
? ????
??OUTPUT??( F7 )
? ???????????
??LOG??( F6 )
???????????? ?????????????? ???????? ????????
161.2.2 ???????????SAS??
? ??SAS??
?????????
??????SAS?? ????PGM???
???????F4 ??????????Locals???Recall text?
?????????RECALL?????
171.2.2 ???????????SAS??
? ??SAS?????????
??????,????
????????????? ??????????File???Save?/ ?Save
as? ?????????FILE????? ????????????????????
181.2.2 ???????????SAS??
? ????????
???PGM??,????
????????????? ??????????File???Open?
?????????Include????? ?????????????????????????
????????????
191.2.3 SAS?????
Keys????? ???Help???Keys?,????F9,??Keys??,?????
?????
201.2.4 SAS?????
- ????
- ?????????????????????
- Locals??
- ?????SAS???
- Globals??
- ????,???????
- Windows??
- ???????????????
- Help??
- ????????????
??????????
212.1 SAS????????????
??? SAS????
- 2.1.1 SAS???(SAS Dataset)
- ?SAS???????,??SAS??????????????????????
- 1. ????
- ???????????????
- 2. ????
- ????????
- SAS???????????????????
-
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23- 2.1.2 ??(Observation)
- ????????????(????????????)?????????????????,????
??SAS??????????????? - 2.1.3 ??(Variable)
- ??????????????SAS????,??????????????????????????
???????? -
24- 1. ?????
- ??8????,???????????????,??????????(?,_at_,)
?????SAS??????????? - A A1 abc name age total
- SAS??????????,???????????_N_?_ERROR_??
25- 2. ????
- ??????????????????????????
- ???????????(?????? ??)?
- ??????????????????8 (???????????????,??? LENGTH??
)? -
26- ????????????????????????????
- DATA A
- C'BAD'
- PUT C
- C'GOOD'
- PUT C
- RUN
27- 3. ?????????
- ??????????????????
- (P13?2-1)
- INPUT NAME VAR1 VAR2 VAR3 VAR4 VAR5
VAR6 - ????
- INPUT NAME VAR1-VAR6
- ?? ?????NAME????????????
- ??????????,???????????????
28- 4. ???
- ???????????????(???????,???????,???????),
???????(?????)??SAS??.???
292.1.4 ?? (Constant)
- SAS??????????
- ????????
- ????1.5 -2.79 1.75E-5
- ????Hello ABC Zhangli
- ??????????????D,T,DT
- 1JAN2000D
- 92519T
- 1JAN2000103005DT
-
302.2 SAS??
- ?????????,??????
- ??????????
- ???????????????????
- ?y SUM ( 1, 2, 3)
- ???SUM
- ??1, 2, 3
- ???6 (??????)
- ????
- 1. ?????SUM(x1, x2, x3)
- 2. ?????SUM(OF x1-x3)
- 3. ?????SUM(OF x1 x2 x3)
312.3 SAS???(???)
- 1. ?????
- / -
- ? y x 2 b
- C (12 4) 2
- 2. ?????
- gt gt lt lt
- ?? ???????,???,??? 1
- ????,??? 0
- ? y 3 gt 2 (?? y ?? 1)
- x ABC gt ABD (?? x ?? 0)
32- 3. ?????
- (AND) (OR) (NOT)
- ????????,???????
- ?(1),?(0)
-
33- 4. ?????
- gt lt ???
- lt gt ???
- ??
- ? y 3 lt gt 4 ( y ??4 )
- x RED BAG
- ( x ??RED BAG )
34- 5. SAS???
- ??????????????????????,????????(?????)?
- X1
- 3
- LOG(Y)
- PART/ALL100
- 1-EXP(N/(N-1))
- AGElt100
- STATE'NC'? STATE'SC'
- ABC
352.5 ?????
- ???? DATA ????,???????????,????????,??
???????????,????????,????????,??????????????
36- ?
- DATA FITNESS
- INPUT NUM SEX AGE WEIGHT HEIGHT
- RATIOWEIGHT/HEIGHT
- CARDS
- 1001 F 19 47 1.69
- 1002 M 20 55 1.74
- 1003 F 18 49 1.66
-
- RUN
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