pan class='no'>HISP</span>+<span class='no'>WHITE</span>+<span class='no'>BLACK</span>+<span class='no'>HGC_MOTHER</span>+<span class='no'>HGC_FATHER</span>+<span class='no'>SEX</span>+<span class='no'>Num_sibs</span>
<span class='no'>sampleForest</span> <span class='kw'>&lt;-</span> <span class='fu'>splineForest</span>(<span class='no'>splitForm</span>, <span class='no'>BMI</span>~<span class='no'>AGE</span>, <span class='st'>'ID'</span>, <span class='no'>nlsySubset</span>, <span class='kw'>degree</span><s