110
METODOLOGÍA PARA ESTIMAR EL USO EFICIENTE DEL AGUA EN ACTIVIDADES AGRICOLAS
La producción de Esparragos.
. reg PEsB AEsB
Source
|
SS
df
MS
Number of obs = 29
------------- +
------------------------------
F( 1, 27)
=
41.67
Model
|
12787479.4
1
12787479.4
Prob > F
= 0.0000
Residual
|
8285267.95
27
306861.776
R-squared = 0.6068
------------- +
------------------------------
Adj R-squared = 0.5923
Total
|
21072747.3
28
752598.119
Root MSE = 553.95
---------------------------------------------------------------------------------------------------------------------------------------------
PEsB |
Coef.
Std. Err.
t
P>|t|
[95% Conf. Interval]
------------- + -------------------------------------------------------------------------------------------------------------------------
AEsB |
.5760552
.0892366
6.46
0.000
.3929568
.7591535
_cons
|
372.315
199.3185
1.87
0.073
-36.65281
781.2828
-----------------------------------------------------------------------------------------------------------------------------------------------
Breusch-Pagan / Cook-Weisberg test for heteroskedasticity
Ho: Constant variance
Variables: fitted values of PEsB
chi2(1) =
0.02
Prob > chi2 =
0.8835
White’s test for Ho: homoskedasticity
against Ha: unrestricted heteroskedasticity
chi2(2) = 1.69
Prob > chi2 =
0.4299
Cameron &Trivedi’s decomposition of IM-test
Source
|
Chi2
df
p
----------------------------- + -----------------------------------------------------------
Heteroskedasticity
|
1.69
2
0.4299
Skewness
|
6.29
1
0.0122
Kurtosis
+ 0.73
1
0.3918
-------------------------------------------------------------------------------------------------
Total
|
8.71
4
0.0688
-------------------------------------------------------------------------------------------------
