Analyzing and modeling thermal complaints in a commercial building in France
Article Category: Research Paper
Publié en ligne: 31 juil. 2021
Pages: 2416 - 2425
Reçu: 06 janv. 2020
Accepté: 22 mars 2020
© 2021 Ezgi Kocaman et al., published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.
Results of the first model
Observed |
|
|
Predicted |
|
Thermal complaint |
Percentage corrected |
|
Too warm |
Too cold |
Step 0 |
Thermal complaint |
Too warm |
28 |
0 |
100.0 |
Too cold |
25 |
0 |
0.0 |
Overall percentage |
|
|
|
52.8 |
Omnibus tests of model coefficients
|
Chi-squared test |
df |
p value |
Step 1 |
Step |
54.108 |
3 |
0.000 |
Block |
54.108 |
3 |
0.000 |
Model |
54.108 |
3 |
0.000 |
Statistics for numerical independent variable
|
Operative temperature |
Relative humidity |
N |
53 |
53 |
Mean |
23.8383 |
41.0077 |
Median |
23.7400 |
41.1000 |
Mode |
23.20 |
19.32 |
Standard Deviation |
1.27730 |
7.25820 |
Variables in the equation
|
|
B |
S.E. |
Wald |
df |
p value |
Exp (B) |
95% CI for Exp (B) |
B |
|
Lower |
Upper |
Step 1 |
Relative humidity |
−0.299 |
0.190 |
2.469 |
1 |
0.116 |
0.741 |
0.511 |
1.077 |
Operative temperature |
−9.545 |
3.550 |
7.228 |
1 |
0.007 |
0.000 |
0.000 |
0.075 |
Season |
−11.429 |
4.515 |
6.407 |
1 |
0.011 |
0.000 |
0.000 |
0.076 |
Constant |
245.670 |
91.760 |
7.168 |
1 |
0.007 |
4.933E + 106 |
|
|
Model summary
Step |
−2 Log likelihood |
Cox & Snell R2 |
Nagelkerke R2 |
1 |
19.196 |
0.640 |
0.854 |
Dependent variable encoding
Original value |
Internal value |
Too warm |
0 |
Too cold |
1 |
Categorical variables codings
|
|
Frequency |
Parameter coding |
|
–1 |
Season |
Heating |
29 |
1.000 |
Cooling |
24 |
0.000 |
Operating principles of DRV
|
Ambient T (°C) |
Start-up (a.m.)—programmable |
Heating mode |
<16 |
05:00 |
16–18 |
06:00 |
18–20 |
07:00 |
≥20 |
08:00 |
|
Cooling mode |
≤26 |
08:00 |
26–27 |
07:00 |
27–28 |
06:00 |
>28 |
05:00 |
Results of the second model
|
|
|
Predicted complaint |
Percentage corrected |
|
Too warm |
Too cold |
Step 1 |
Thermal complaint |
Too warm |
26 |
2 |
92.9 |
Too cold |
3 |
22 |
88.0 |
Overall percentage |
|
|
90.6 |