ass="r-out co"><span class="r-pr">#&gt;</span> Time class1      -1.00426 0.19584  -5.128 0.00000</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> Time class2       0.13102 0.17259   0.759 0.44777</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> X1                2.45177 0.64546   3.798 0.00015</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> Time:X1          -0.28770 0.20015  -1.437 0.15060</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> </span>
<span cla