Call:
lm(formula = y ~ x)

Residuals:
     Min       1Q   Median       3Q      Max 
-0.15769 -0.02578 -0.01115  0.00599  0.57629 

Coefficients:
            Estimate Std. Error t value Pr(>|t|)   
(Intercept)  0.15182    0.05666   2.679  0.00756 **
xAP         -0.11454    0.05676  -2.018  0.04400 * 
xAP-REG     -0.13638    0.06940  -1.965  0.04980 * 
xAP:LTS     -0.14511    0.08013  -1.811  0.07061 . 
xAP:P       -0.14028    0.08013  -1.751  0.08048 . 
xAP:REG      0.02927    0.06207   0.471  0.63743   
xAP:S       -0.11375    0.06207  -1.833  0.06730 . 
xDP         -0.13152    0.06058  -2.171  0.03027 * 
xDP:LTS     -0.11509    0.06940  -1.658  0.09768 . 
xDP:S       -0.13525    0.06940  -1.949  0.05171 . 
xDP/S       -0.14772    0.06543  -2.258  0.02428 * 
xLAW        -0.12558    0.05707  -2.200  0.02812 * 
xLAW:REG    -0.07853    0.06335  -1.240  0.21558   
xLTS        -0.14391    0.05783  -2.488  0.01307 * 
xNAPA       -0.12621    0.08013  -1.575  0.11573   
xNM         -0.15181    0.08013  -1.894  0.05859 . 
xP          -0.10098    0.05774  -1.749  0.08077 . 
xPNACC      -0.10638    0.08013  -1.327  0.18480   
xREG        -0.10485    0.05739  -1.827  0.06813 . 
xREG:AP     -0.12729    0.08013  -1.588  0.11264   
xREG:LTS    -0.10737    0.08013  -1.340  0.18075   
xREG:S      -0.14950    0.08013  -1.866  0.06252 . 
xS          -0.12603    0.05680  -2.219  0.02682 * 
xS-AP       -0.14130    0.06335  -2.230  0.02604 * 
xS:AP       -0.09674    0.05973  -1.620  0.10578   
xS:REG      -0.07276    0.06058  -1.201  0.23014   
xS/AP       -0.15181    0.08013  -1.894  0.05858 . 
xS/DP       -0.14442    0.08013  -1.802  0.07195 . 
xS/REG      -0.11147    0.08013  -1.391  0.16468   
---
Signif. codes:  0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1

Residual standard error: 0.05666 on 683 degrees of freedom
Multiple R-squared:  0.08791,	Adjusted R-squared:  0.05052 
F-statistic: 2.351 on 28 and 683 DF,  p-value: 0.0001213