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# Sas class #13teach

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### Sas class #13teach

1. 1. Proc Freq Proc Tabulate Canicia Smith caniciasmith@gmail.comOffice hour: Wed 13:10-14:00
2. 2. PROC FREQ
3. 3. What is proc freq?• Proc freq is used to produce one-way and n- way frequency and cross tabulation• For 2-way tables proc freq computes tests and measures of association• Performs stratified analysis, computing statistics within and across layers
4. 4. PROC FREQProc freq options; By MOSLTY Exact USED Output Tables Test Weight
5. 5. Proc freq;tables
6. 6. An experiment is conducted with boys and girls in 3 cities in Taiwan.
7. 7. Proc freq
8. 8. Weight （frequency）
9. 9. Tables with/without weight Always use weight有 沒有
10. 10. No column no row no percent
11. 11. list
12. 12. PROC TABULATE
13. 13. What is proc tabulate• It produces one, two,or three dimensional tables• It displays descriptive statistics• It is more powerful that PROC FREQ when making tables• It is more flexible than PROC MEANS
14. 14. Proc tabulate option; class var freq format label by table
15. 15. 4 patients go to visit the doctor 3 times for 2 kindstreatments. After each visit they’re given 2 scores
16. 16. QUESTIONS?