<p> ENERGY USE IN OFFICE BUILDINGS</p><p>MODEL 1 - - Dependent Variable: energy Analysis of Variance Sum of Mean Source DF Squares Square F Value Pr > F Model 5 61329 12266 16.21 <.0001 Error 65 49197 756.87327 Corrected Total 70 110526</p><p>Root MSE 27.51133 R-Square 0.5549 Dependent Mean 129.31127 Adj R-Sq 0.5206</p><p>Parameter Standard Variable DF Estimate Error t Value Pr > |t| Intercept 1 176.72248 55.20183 3.20 0.0021 wlrffn 1 48.42351 8.88356 5.45 <.0001 wlfrins 1 - 16.70047 5.85325 - 2.85 0.0058 aircond 1 1.42075 0.46667 3.04 0.0034 degdays 1 - 0.01307 0.00567 - 2.30 0.0244 stm 1 - 33.42878 13.18552 - 2.54 0.0137</p><p>MODEL 2 - - Dependent Variable: logengy Analysis of Variance Sum of Mean Source DF Squares Square F Value Pr > F Model 5 4.81700 0.96340 18.86 <.0001 Error 65 3.32069 0.05109 Corrected Total 70 8.13769</p><p>Root MSE 0.22603 R-Square 0.5919 Dependent Mean 4.80937 Adj R-Sq 0.5605</p><p>Parameter Standard Variable DF Estimate Error t Value Pr > |t| Intercept 1 5.19795 0.45352 11.46 <.0001 wlrffn 1 0.40412 0.07298 5.54 <.0001 wlfrins 1 - 0.13178 0.04809 - 2.74 0.0079 aircond 1 0.01146 0.00383 2.99 0.0039 degdays 1 - 0.00010779 0.00004660 - 2.31 0.0239 stm 1 - 0.37183 0.10833 - 3.43 0.0010 </p><p>MODEL 3 - - Dependent Variable: logengy Analysis of Variance Sum of Mean Source DF Squares Square F Value Pr > F Model 6 5.06822 0.84470 17.61 <.0001 Error 64 3.06947 0.04796 Corrected Total 70 8.13769</p><p>Root MSE 0.21900 R-Square 0.6228 Dependent Mean 4.80937 Adj R-Sq 0.5874</p><p>Parameter Standard Variable DF Estimate Error t Value Pr > |t| Intercept 1 13.64759 3.79236 3.60 0.0006 logsa 1 0.53280 0.11845 4.50 <.0001 logheat 1 - 0.49728 0.10403 - 4.78 <.0001 logins 1 - 0.05983 0.01841 - 3.25 0.0018 aircond 1 0.00901 0.00394 2.29 0.0255 logdd 1 - 1.04308 0.41504 - 2.51 0.0145 stm 1 - 0.36822 0.10773 - 3.42 0.0011 </p>