Displaying 1 result from an estimated 1 matches for "head_length".
2011 Mar 31
2
ANCOVA for linear regressions without intercept
...the intercepts as below
Coefficients:
Estimate Std. Error t value Pr(>|t|)
(Intercept) -6.49697 1.68497 -3.856 0.000118 ***
sexMale -9.39340 1.97760 -4.750 2.14e-06 ***
sexUnknown -1.33791 2.35453 -0.568 0.569927
head_length 7.12307 0.05503 129.443 < 2e-16 ***
sexMale:head_length 0.31631 0.06246 5.064 4.37e-07 ***
sexUnknown:head_length 0.19937 0.07022 2.839 0.004556 **
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Is there any way I can remove the intercepts so that I can simply compare the slopes with no intercept taken i...