
sw reg lny0 fr1 is dep adv inv edu1 tec gov lnsav ope traf,pr(0.05)
begin with full model
p = 0.6415 >= 0.0500 removing is
p = 0.5283 >= 0.0500 removing tec
p = 0.4104 >= 0.0500 removing edu1
p = 0.0789 >= 0.0500 removing traf
p = 0.3127 >= 0.0500 removing adv
p = 0.1509 >= 0.0500 removing lnsav
Source | SS df MS Number of obs = 21
-------------+---------------------------------- F(5, 15) = 2320.78
Model | 2.36904772 5 .473809543 Prob > F = 0.0000
Residual | .003062399 15 .00020416 R-squared = 0.9987
-------------+---------------------------------- Adj R-squared = 0.9983
Total | 2.37211012 20 .118605506 Root MSE = .01429
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lny0 | Coef. Std. Err. t P>|t| [95% Conf. Interval]
-------------+----------------------------------------------------------------
fr1 | 3.659402 .2142121 17.08 0.000 3.202819 4.115984
gov | -.9070318 .1839781 -4.93 0.000 -1.299172 -.5148918
dep | -19.90337 1.387928 -14.34 0.000 -22.86167 -16.94507
ope | .792328 .0902159 8.78 0.000 .6000374 .9846185
inv | .4434994 .0358172 12.38 0.000 .3671569 .5198419
_cons | 8.708259 .0899787 96.78 0.000 8.516474 8.900044
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