------------------------------------------------------------------------------------

      name:  <unnamed>

       log:  C:\Users\Michael\Documents\newer web pages\soc_meth_proj3\fall_2012_381

> _logs\anscombe_log.log

  log type:  text

 opened on:   1 Nov 2012, 12:33:41

 

* Copy the data from excel into the Stata data browser.

 

. *(8 variables, 11 observations pasted into data editor)

 

. twoway (scatter y2 x2) (lfit y2 x2)

 

. regress y2 x2

 

      Source |       SS       df       MS              Number of obs =      11

-------------+------------------------------           F(  1,     9) =   17.97

       Model |  27.5000024     1  27.5000024           Prob > F      =  0.0022

    Residual |   13.776294     9  1.53069933           R-squared     =  0.6662

-------------+------------------------------           Adj R-squared =  0.6292

       Total |  41.2762964    10  4.12762964           Root MSE      =  1.2372

 

------------------------------------------------------------------------------

          y2 |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]

-------------+----------------------------------------------------------------

          x2 |         .5   .1179638     4.24   0.002     .2331475    .7668526

       _cons |   3.000909   1.125303     2.67   0.026     .4552978     5.54652

------------------------------------------------------------------------------

 

. predict m2

(option xb assumed; fitted values)

 

. gen resid_m2= y2-m2

 

. twoway (scatter  resid_m2 x2) (line m2 x2)

 

. twoway (scatter  resid_m2 x2) (line m2 x2) (scatter y2 x2) (lfit y2 x2)

 

* two different versions of the same line (lfit y2 x2) and (line m2 x2)

 

. log close

      name:  <unnamed>

       log:  C:\Users\Michael\Documents\newer web pages\soc_meth_proj3\fall_2012_381

> _logs\anscombe_log.log

  log type:  text

 closed on:   1 Nov 2012, 15:56:12

------------------------------------------------------------------------------------