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Title:

?????? ??????????? ??????

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Title: Author: Irina Merkuryeva Last modified by: Irina Merkuryeva Created Date – PowerPoint PPT presentation

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Transcript and Presenter's Notes

Title: ?????? ??????????? ??????


1
?????? ??????????? ??????
2
???????????
  • ?????? ??????????? ?????? ?????? ?????????, ?
    ??????? ????????? ?????????? ???????? ??????????.

3
??????? ???????????? ????????? ??????????
  • ???????????????
  • ???????????? ??????? ????????? ??????????
  • ?????????? ??? ???????? ??????????

4
??????? ??????? ??????????? ??????
  • ??????? ?? ??????? ?? ????? ?????
  • ????? ???? ??????????
  • ?????? ????????
  • ???????????...

5
?????? ??????????
  • ???????? ????????????? ?????? (linear probability
    model)
  • ????? (logit)
  • ?????? (probit)
  • ????????????? ????? (multinomial logit)
  • ????????????? ????? (ordered logit)
  • ?????? ? ???????????? (nested logit)

6
???? ??????? ??????????? ??????
  • ?????? ????????? ??????
  • ?????? ?????????????? ??????

7
?????? ????????? ??????
  • ?????? ????????? ?????? ??????? ?????? ??????
    ??????????? ??????, ??? ??????? ?????????
    ?????????? ????? ????????? ?????? ??? ???????? (1
    ??? 0)

8
???????? ????????????? ??????
  • ?????????? ??? ??? ?????????? ??????????
    ???????????? ?????? ????

9
????????????? ????????? ???????? ??????????
  • ??????????? ????, ??? ????????? ?????????? ??????
    ???????? 1 ??? ???????? ???????? ???????????
    ??????????

10
???????? ?????????? ??? ? ???????? ?????????????
??????
  • ???????????? ????????????? ????????
  • ???????????????????? ? ??????????? ??????
  • ????????? ???????? ????????? ?????????? ?????
    ???????? ?? ??????? ????????? 0 1
  • ?????????????? R2

11
????????? ??????? ??????? ????????????? ???????
  • 1. ?????????? ????? ??????????
  • 2. ?????????? ???
  • 3. ????????????? ???????? ???????????

12
????????????????? ????????????
  • ?????????? ????????? ???????? ??????????
    (????????, 0,5)
  • Y0, ???? Y lt 0,5
  • Y0, ???? Y gt 0,5
  • ???????????? ????? ?????????? ??????????? ?
    ????????? ???????? ?????????? (s)
  • ???????????? ????????????????? ????????????
    R2cs/n

13
?????? ??????? ?????????????????? ????????????
????? ??????? ???? (????.) ????? (1000 ?.?.) ??????? ???? (????.)
1 0 8 -0.129
2 1 16 0.688
3 1 18 0.893
4 0 11 0.178
5 0 12 0.280
6 1 19 0.995
7 1 20 1.098
8 0 13 0.382
9 0 9 -0.027
14
?????????????? ??????? ?????????? ??????????
  • ?????? ???????, ??????? ???????? ???????
    ??????????? ???????? 01, ??????????? ?? ????
    ??????? ? ?????????? ????????? ?????????????.
  • ???????? ???????????????? ??????? ????????????
    ??????????? ? ?????????????? ?????????????

15
????????????? ?????????(LOGIT Model)
  • ???????, ??????????????? ??????? ???????????,
    ???????????? ???

16
?????? ?????????? ?????? LOGIT
  • ????? ????????????? ????????????? ???

17
??????????? ?????? LOGIT
  • P?0, 1, L ?(-8, 8)
  • L ??????? ?? ??????????, ??????????? ???
  • ????????????? ?????????? ??? ????????? ??????? j
    ?? 1 ??. ???????? ?????????????? ????? ?????? ?
    ?????? ??????? Y1 ? ????? ?????? ?????? ???????
    Y1 ????????? ? ??????? ?? bj ?????? ??? ???????,
    ??? ??? ????????? ??????? ?????? ?????????????
  • ??????????? ???????? ? ??????? ???????????

18
?????? PROBIT
  • ???????, ??????????????? ??????? ???????????,
    ???????????? ??? ???????????? ??????? ???????????
    ?????????????
  • ??? z ab1X1bkXku

19
?????!
  • ?????? ????????????? ??????? ????? ? ??????
    ?????? ???????????????? ??? ?????????? ???? ?????
    ??-?? ???????????? ?? ??????????.
  • ?????? ?? ???? ?????? ????? ????? ??????? ?
    ????????????? ??????????? ???? ????? ???
    ????????? ????????, ?????????? ? ??????.

20
????????? ??????? LOGIT ? PROBIT
  • ?????????????? ????? ?????????????
  • ??????? ? ???????? ??????? ?????????????
  • ??????????? ?????????? ??? ??????? ? ?????????
    ????????? ??????????? ??????????

21
?????? ???????? ???????
  • ?????? ??????????? ????????????
  • ?????? ????????? ?????????????
  • ???????? ??????? ?? ?????? ????? ?????????????

22
?????? ?????????????? ??????
  • ?????? ?????????????? ?????? ?????? ???????????
    ??????, ??? ??????? ????????? ?????????? ?????
    ????????? ????? ???? ????????

23
???? ??????? ?????????????? ??????
  • ??????????? (????? ?????? ?????????? ???????????
    ????????, ??? ?????????) ?????? ?
    ???????????????? ??????????????
  • ?????????? (????? ???????????? ???????? ?????????
    ??????????) ?????? ? ??????????????
    ??????????????

24
?????? ? ???????????????? ??????????????
  • ????????????? ????? ? ??????
  • ????????????? ? ???????????? ??????????,
    ????????? ? ?????? ?? ???????????
  • ?????? ??? ?????? ?????? ?????????????
    ?????????????
  • ????????????? ??????? ? ???????????? ???
    ???????????? ???????? ???????? ???????

25
?????? ? ?????????????? ??????????????
  • ???????????????? ?????????? ??? ??-??
    ???????????? ??????? ????????? ??????????
  • ????????????? ????? ? ??????
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