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st: from scientific to real numbers...


From   "Christer Thrane" <ch-thran@online.no>
To   <statalist@hsphsun2.harvard.edu>
Subject   st: from scientific to real numbers...
Date   Fri, 14 Oct 2005 16:31:19 +0200

Hi,

I want to get the precise price prediction for a house with certain attributes, given the follwing regression, in real numbers. That is, 1.5e+06 (see bottom) does not tell me enough. Does anyone know how to "force" Stata to come up with the exact figure?

Thanks in advance

Christer

reg pris bta antsov leil garasje

Source | SS df MS Number of obs = 313
-------------+------------------------------ F( 4, 308) = 103.23
Model | 6.0351e+13 4 1.5088e+13 Prob > F = 0.0000
Residual | 4.5015e+13 308 1.4615e+11 R-squared = 0.5728
-------------+------------------------------ Adj R-squared = 0.5672
Total | 1.0537e+14 312 3.3771e+11 Root MSE = 3.8e+05

------------------------------------------------------------------------------
pris | Coef. Std. Err. t P>|t| [95% Conf. Interval]
-------------+----------------------------------------------------------------
bta | 5877.52 528.658 11.12 0.000 4837.282 6917.759
antsov | 96936.37 29516.44 3.28 0.001 38856.98 155015.8
leil | 168382.4 57136.84 2.95 0.003 55954.5 280810.4
garasje | 127576.9 47204.03 2.70 0.007 34693.7 220460.1
_cons | 277688.5 82658.97 3.36 0.001 115040.8 440336.3
------------------------------------------------------------------------------

. adjust bta = 130 antsov = 3 leil = 0 gar = 1

--------------------------------------------------------------------------------
Dependent variable: pris Command: regress
Covariates set to value: bta = 130, antsov = 3, leil = 0, garasje = 1
--------------------------------------------------------------------------------

---------------------- All | xb
----------+----------- | 1.5e+06
---------------------- Key: xb = Linear Prediction



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