n coefficients estimated by the OLR model and the BLR model
y similar. The OLR model had the p value for each regression
nt, but the BLR model provided the confidence interval for each
n coefficient.
A comparison between the OLR model and the BLR model constructed for the
ntent data with ten morphological variables. The column of ߚைோ represents the
coefficients estimated by the OLR model and the column of ߚோ represents the
coefficients estimated by the BLR model, the column of p stands for the p values
LR model, the column of lower and the column of upper stand for the lower and
dence intervals estimated at the 95% confidence level from the BLR model.
able
ߚைோ
p
ߚோ
lower
upper
.water
−0.587834
3.22e−09
−0.59
0.09
−0.76
oleic.acid
−1.426538
0.50682
−1.34
2.16
−5.61
xide.value
−0.008017
0.94856
−0.01
0.13
−0.25
.polyphenols
0.001852
0.41356
0.00
0.00
−0.00
A.PUFA
0.024830
0.95487
0.03
0.43
−0.84
e.wieght
−1.459683
0.57864
−1.43
2.71
−6.84
e.length
−0.718050
0.12122
−0.71
0.46
−1.63
e.width
1.022776
0.45413
0.96
1.37
−1.73
weight
5.625276
0.04734
5.55
2.80
−0.05
width
0.101896
0.92096
0.14
1.03
−1.89
constrained regression analysis algorithms
d GAM do not apply a constraint to the model parameters.
e, these algorithms do not provide an efficient ranking mechanism
endent variables. In a constrained regression analysis model, the
rs of a model are assumed to follow a pre-defined distribution or
ded to a constant. Therefore the model parameters will be
ed, i.e., a competition scheme is introduced. With this
on scheme, the variables of a regression model will compete each
win within a constraint. In other words, important independent
will press down unimportant independent variables because the
r all variables is limited. When the regression coefficients of
t independent variable increase, the weights of unimportant