linear regression

1738

收藏 2013-08-30

在Stata中，这个命令是什么意思，求的是哪种线性回归，能得出什么结论，多谢！

reg ly li lpat  OverallTEA, robust

Linear regression                                     Number of obs =    71
                                                   F(  3, 67) = 25.60
                                                   Prob > F    =  0.0000
                                                   R-squared    =  0.6199
                                                   Root MSE    =  .45088

------------------------------------------------------------------------------
         |             Robust
      ly |    Coef. Std. Err.    t P>|t|    [95% Conf. Interval]
-------------+----------------------------------------------------------------
      li | .1839628 .0414678    4.44 0.000    .1011927 .2667329
      lpat | .143057 .0772166    1.85 0.068 -.0110681    .297182
  OverallTEA |  -.0422849 .0179712 -2.35 0.022 -.0781556 -.0064143
   _cons | 9.171286 .4688428 19.56 0.000    8.235471    10.1071
------------------------------------------------------------------------------

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edwmidas

2013-8-30 19:47:08

The above stata command and results is follwoing
stata comand : reg ly li lpat OverallTEA, robust
'reg' means regression to 1 dependent variable 'ly' with 3 independent variable 'li', 'lpat' and 'OverallTEA'.
that is, ly = a + b li + c lpat + d OverallTEA which
a is constant, b, c, d is regression coefficient(Coef) of 'li', 'lpat' and 'OVerallTEA' respectively.
The results show a=9.171286, b=0.1839628 c=0.143057 d=-0.0422849

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Jenny91_zjn

2013-8-30 23:22:47

edwmidas 发表于 2013-8-30 19:47
The above stata command and results is follwoing
stata comand : reg ly li lpat OverallTEA, robust
...

Thank you !!

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