???????????????? EViews ?????????

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???????????????? EViews ?????????
1. ???????? Workfile ????
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?????????? Excel
\data.xls (sheet Example)
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2. ???????? Objects Series ????????? (???)
????????????????????????? Spreadsheet (Excel)
?????????????????????????????? File Excel
?????????? ???????????????????????????????????????
?
?????????? 1 ??????????? Excel ???????????????????
????????????? ????????????????
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?????????????????????????????????????????????
????????????????????????????? ????????????????????
??????????????????????????????? C2
??????????????????????? 5 ??????
???????????????????????? Column ???
???????????????????????????????????????? ????
????????????????? 19701 ??? 19824
???????????????????????????????????? File Excel
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?????????????????????????? ???????? Save Workfile
????
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3.?????????????????????????????????????
(Ordinary Least Square Method)
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?????????? Eviews ????? Quick/Estimate Equation
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????? y c x1 x2 x3 x4
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????????????????????????? ?????????????????
????????????????????????????????????????????? 95
(??? Prob. lt 0.05?????? x3 ?????? Prob. gt 0.05)
?????????????????????????? x3 ?????
??????????????????????
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??????????
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???????????? Workfile range ??????????????????????
??????????? ?????? Double click ??? range
???????? ????????????????????? 1 ?? ??????? End
date ?????? 19834
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???????????? Sample???????????? Sample
????????????????????????????????? ?????? Double
click ??? Sample ???????????????
19834
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?????????????????????????????????????????? x1,
x2, x4 ???????? Exponential Smoothing
??????????????? ???? ???? Series x1 ???????
Double click ?????????????????????????????????????
???????? View/Graph/Line????????????????Trend
Seasonal
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?????????? Series x1 ???????? Procs/Exponential
smoothing ????????????
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• Series x1 ?????? TrendSeasonal ????????
  Holt-Winters-Additive ???? Holt-Winters-Multiplica
  tive ??????????????????? Additive
• ?????????????? Trend ????? Seasonal ???????????
  Holt-Winter-No seasonal
• ???????? Series x1 ????? Smoothing ???? x1sma

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x1sma
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x1smm
?? error ??????? ??????????? Additive
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?? Exponential Smoothing ?????????????????????????
?? (?????? x3) ????? Series x1sma x2sma x4sma
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????? Group ????????????????????????? series
???????????? Exponential Smoothing ????????? Ctrl
???????????????? x1, x1sma, x2, x2sma, x4, x4sma
??????????? Open/ as Group
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???? Edit/-
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Copy ????????? Series ????? Exponential Smoothing
???????????????????? (x1sma x2sma x4sma) ?? Paste
???? Series ???? (x1, x2, x4) ???????????????????
??? x1, x2, x4
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1. ??????????? Edit/- ????????????????
2. ??????? Name ????????????? Group

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?????????? Eviews ????? Quick/Estimate Equation
????? y c x1 x2 x3 x4
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??????? Name ???????? eq01
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??????????????? Double click ??? Equation Eq01
??????????? Forecast
????????????????????????
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????? y ??????????????????? yf ??????
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?????????? Excel
\ex_train_research\Excel files II\regression.xls
(sheet Ex1)
??????????????? y
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• ?????
• ??????????? (?????????) ??????????????????????????
  ?????????????? 95 ????????????????????????????????
  ??
• ??????????? (?????????) ?????????????????????????
  ????????? 95 ???????????????????????
• ??????????? (?????????) ?????? 2 ???????????
  Smoothing Method ?????????????????????????????????
  ???? ???????????
• ??? y ???????????????????????? 1 ?? ???????????