Call:
lm(formula = y ~ x)

Residuals:
     Min       1Q   Median       3Q      Max 
-0.26379 -0.05190 -0.02342  0.02347  0.56860 

Coefficients:
             Estimate Std. Error t value Pr(>|t|)
(Intercept)  0.156088   0.110332   1.415    0.158
xAP         -0.104186   0.110527  -0.943    0.346
xAP-REG     -0.156085   0.135128  -1.155    0.248
xAP:LTS     -0.070411   0.156032  -0.451    0.652
xAP:P       -0.003656   0.156032  -0.023    0.981
xAP:REG     -0.133682   0.120862  -1.106    0.269
xAP:S        0.107709   0.120862   0.891    0.373
xDP          0.023384   0.117949   0.198    0.843
xDP:LTS     -0.047057   0.135128  -0.348    0.728
xDP:S       -0.003336   0.135128  -0.025    0.980
xDP/S       -0.065228   0.127400  -0.512    0.609
xLAW        -0.132953   0.111128  -1.196    0.232
xLAW:REG    -0.151996   0.123354  -1.232    0.218
xLTS        -0.097443   0.112607  -0.865    0.387
xNAPA       -0.138992   0.156032  -0.891    0.373
xNM         -0.003863   0.156032  -0.025    0.980
xP          -0.070123   0.112433  -0.624    0.533
xPNACC      -0.156086   0.156032  -1.000    0.317
xREG        -0.132659   0.111737  -1.187    0.236
xREG:AP     -0.156068   0.156032  -1.000    0.318
xREG:LTS    -0.156086   0.156032  -1.000    0.317
xREG:S      -0.156087   0.156032  -1.000    0.317
xS          -0.031363   0.110594  -0.284    0.777
xS-AP       -0.087220   0.123354  -0.707    0.480
xS:AP       -0.051638   0.116300  -0.444    0.657
xS:REG      -0.114623   0.117949  -0.972    0.331
xS/AP        0.134417   0.156032   0.861    0.389
xS/DP        0.031471   0.156032   0.202    0.840
xS/REG      -0.090670   0.156032  -0.581    0.561

Residual standard error: 0.1103 on 683 degrees of freedom
Multiple R-squared:  0.1444,	Adjusted R-squared:  0.1093 
F-statistic: 4.116 on 28 and 683 DF,  p-value: 0.0000000000204