Dr.%20Hamda%20Qotba,%20B.Med.Sc,%20M.D,%20ABCM - PowerPoint PPT Presentation

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Dr.%20Hamda%20Qotba,%20B.Med.Sc,%20M.D,%20ABCM

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?????????? ?????????. ???????????. ????,???????????? ... Kruskal-wallis. Wilcoxon. Mann-Whitney. ??. ????. ??T??. T??. ??. ??????. ?? *?1???????? 5,?fisher????? ... – PowerPoint PPT presentation

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Title: Dr.%20Hamda%20Qotba,%20B.Med.Sc,%20M.D,%20ABCM


1
???????!
  • Dr. Hamda Qotba, B.Med.Sc, M.D, ABCM
  • ??acred(DXY)

2
??
?????????? ????????? ???????????
????,??????????????????????????????
????,??????????????????????
3
??
  • ???(Quantitative)
  • ???(Discrete)
  • ???(Continuous)
  • ???(Qualitative)
  • ???(Ordinal)
  • ???(Categorical)

4
??????????
  • ??????????????????????
  • ?????????????????????????

5
t-??
  • ??????????????,??????????????????????????

?????,??????
6
????
  • ???(??)????
  • ?????????????
  • ???lt30??gt30,????????z??(????,binomial test)

7
t-?????
  • ???t???????????????????????,????????
  • ??????t????????????????????????????(??????????)
  • ??t??????????????????????????(?????????????,?????
    ?)

8
?2??
  • ??????????????
  • ??????

9
????
  • ???????????
  • ???????????20
  • ???????????????gt5(??????????lt5yates
    ??)?(??????????lt5fisher????)
  • ???????????

10
?????
  • ???????????????????????????

11
??
  • ??????????

r1
r-1
r0
??
12
??
  • ????????????????????????
  • ????????????????????????
  • Logistic?????????,??/?

13
???
  • ????
  • Pearson????
  • ????
  • ????
  • ?????
  • Spearman????
  • ????????
  • Kendall???? (Kendalls t)
  • ??????????????????

14
????(ANOVA)
  • ????????????????????(????)?????????

15
???????
  • ???????(One-way ANOVA)???????????????????????????
    ??

16
  • ???????(Two-way ANOVA)??????????????????????,????
    ??????????
  • ???????(n-way ANOVA)???,???????????????????,????
    ????,???????????????

17
?????????????
  • ????
  • ???(??)
  • ???(??)
  • ????????
  • ??
  • ??
  • ????
  • ?????
  • ???
  • ???
  • ???

18
???????????(???,???)?????
???? ???? ????
??? ??? ????
?? ?? ?2
?? ?? Logistic??
?? ?? 2???T?? 3?????????
?? ?? Spearman?? ????
19
?????(??)
?? ?????? ?????? ??????
?? 2? ???? gt2?
?? T?? ??T?? ????
?? Mann-Whitney Wilcoxon Kruskal-wallis
?? ?2 McNemar ?2
?1????????lt5,?fisher????? ?1????????lt5,?yates??
20
??????
???? ???? ????
??? ????? ????
?? ?? logistic??
?? ?? ????
?? ?? ????,logistic??
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