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. utest es es2
(11 missing values generated)
(11 missing values generated)
Specification: f(x)=x^2
Extreme point: .6327463
Test:
H1: Inverse U shape
vs. H0: Monotone or U shape
-------------------------------------------------
| Lower bound Upper bound
-----------------+-------------------------------
Interval | .413909 1
Slope | .4184675 -.7022739
t-value | 5.127761 -16.02138
P>|t| | 2.63e-07 1.80e-42
-------------------------------------------------
Overall test of presence of a Inverse U shape:
t-value = 5.13
P>|t| = 2.63e-07
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