124
METODOLOGÍA PARA ESTIMAR EL USO EFICIENTE DEL AGUA EN ACTIVIDADES AGRICOLAS
----------------------------------------------------------------------------------------------------------------------------------------------
|
Robust
Producto |
Coef.
Std. Err.
t
P>|z|
[95% Conf. Interval]
--------------- + -----------------------------------------------------------------------------------------------------------------------
Agua
1.543614 1009084
15.3
0.000
1.345454
1.741774
_cons
|
2114.476 381.096
5.55
0.000
1366.095
2862.858
----------------------------------------------------------------------------------------------------------------------------------------------
. reg Prod Agua d1 d2 d3 d4 d5 d6 d7 d8
Source
|
SS
df
MS
Number of obs = 400
------------- + --------------------------------------------------------
F( 9, 390)
=
112.30
Model
|
2.2006e+10
9
2.4452e+09
Prob > F
= 0.0000
Residual
|
8.4914e+09
390
21772713.6
R-squared = 0.7216
------------- + --------------------------------------------------------
Adj R-squared = 0.7151
Total
|
3.0498e+10
399
76435479.3
Root MSE = 4666.1
----------------------------------------------------------------------------------------------------------------------------------------------
Producto |
Coef.
Std. Err.
t
P>|t|
[95% Conf. Interval]
--------------- + -----------------------------------------------------------------------------------------------------------------------
Agua
1.491525 .0520668
28.65
0.000
1.389159
1.593892
d1
8596.839
926.1802
9.28
0.000
6775.908
10417.77
d2
1580.395 972.366
1.63
0.105
-331.3398
3492.13
d3
9276.896 942.865
9.84
0.000
7423.162
11130.63
d4
5051.258 1074.763
4.70
0.000
2938.204
7164.311
d5
3223.353 1185.406
2.72
0.007
892.767
5553.939
d6
7931.05 1035.373
7.66
0.000
5895.439
9966.661
d7
3263.506 1279.456
2.55
0.011
748.0123
5779
d8
4679.111 1479.748
3.16
0.002
1769.829
7588.393
_cons
|
-4602.472 865.5084
-5.32
0.000
-6304.118
-2900.826
----------------------------------------------------------------------------------------------------------------------------------------------
. reg Prod Agua d1 d3 d4 d5 d6 d7 d8
Source
|
SS
df
MS
Number of obs = 400
------------- + --------------------------------------------------------
F( 8, 391)
=
125.48
Model
|
2.1949e+10
8
2.7436e+09
Prob > F
= 0.0000
Residual
|
8.5489e+09
391
21864127.2
R-squared = 0.7197
------------- + --------------------------------------------------------
Adj R-squared = 0.7140
Total
|
3.0498e+10
399
76435479.3
Root MSE = 4675.9
