Found the following HTML validation problems:
base_ensemble.html:62:1 (base_ensemble.Rd:17): Warning: missing </ul> before </div>
base_models_loss.html:56:1 (base_models_loss.Rd:16): Warning: missing </ul> before </div>
best_mvr.html:56:1 (best_mvr.Rd:16): Warning: missing </ul> before </div>
bm_xgb.html:54:1 (bm_xgb.Rd:14): Warning: missing </ul> before </div>
combine_predictions.html:61:1 (combine_predictions.Rd:17): Warning: missing </ul> before </div>
compute_predictions.html:57:1 (compute_predictions.Rd:14): Warning: missing </ul> before </div>
get_y.html:51:1 (get_y.Rd:12): Warning: missing </ul> before </div>
holdout.html:58:1 (holdout.Rd:16): Warning: missing </ul> before </div>
l1apply.html:55:1 (l1apply.Rd:14): Warning: missing </ul> before </div>
loss_meta_learn.html:55:1 (loss_meta_learn.Rd:15): Warning: missing </ul> before </div>
meta_cubist.html:50:1 (meta_cubist.Rd:12): Warning: missing </ul> before </div>
meta_cubist_predict.html:50:1 (meta_cubist_predict.Rd:12): Warning: missing </ul> before </div>
meta_ffnn.html:50:1 (meta_ffnn.Rd:12): Warning: missing </ul> before </div>
meta_ffnn_predict.html:50:1 (meta_ffnn_predict.Rd:12): Warning: missing </ul> before </div>
meta_gp.html:50:1 (meta_gp.Rd:12): Warning: missing </ul> before </div>
meta_gp_predict.html:50:1 (meta_gp_predict.Rd:12): Warning: missing </ul> before </div>
meta_lasso.html:50:1 (meta_lasso.Rd:12): Warning: missing </ul> before </div>
meta_lasso_predict.html:50:1 (meta_lasso_predict.Rd:12): Warning: missing </ul> before </div>
meta_mars.html:50:1 (meta_mars.Rd:12): Warning: missing </ul> before </div>
meta_mars_predict.html:50:1 (meta_mars_predict.Rd:12): Warning: missing </ul> before </div>
meta_pls.html:50:1 (meta_pls.Rd:12): Warning: missing </ul> before </div>
meta_pls_predict.html:50:1 (meta_pls_predict.Rd:12): Warning: missing </ul> before </div>
meta_ppr.html:50:1 (meta_ppr.Rd:12): Warning: missing </ul> before </div>
meta_ppr_predict.html:50:1 (meta_ppr_predict.Rd:12): Warning: missing </ul> before </div>
meta_predict.html:55:1 (meta_predict.Rd:15): Warning: missing </ul> before </div>
meta_rf.html:50:1 (meta_rf.Rd:12): Warning: missing </ul> before </div>
meta_rf_predict.html:50:1 (meta_rf_predict.Rd:12): Warning: missing </ul> before </div>
meta_svr.html:50:1 (meta_svr.Rd:12): Warning: missing </ul> before </div>
meta_svr_predict.html:50:1 (meta_svr_predict.Rd:12): Warning: missing </ul> before </div>
meta_xgb.html:50:1 (meta_xgb.Rd:12): Warning: missing </ul> before </div>
meta_xgb_predict.html:50:1 (meta_xgb_predict.Rd:12): Warning: missing </ul> before </div>
predict_pls_pcr.html:50:1 (predict_pls_pcr.Rd:12): Warning: missing </ul> before </div>
rbind_l.html:46:1 (rbind_l.Rd:10): Warning: missing </ul> before </div>
recent_lambda_observations.html:50:1 (recent_lambda_observations.Rd:12): Warning: missing </ul> before </div>
rmse.html:50:1 (rmse.Rd:12): Warning: missing </ul> before </div>
roll_mean_matrix.html:51:1 (roll_mean_matrix.Rd:13): Warning: missing </ul> before </div>
sequential_reweighting.html:55:1 (sequential_reweighting.Rd:13): Warning: missing </ul> before </div>
soft.completion.html:46:1 (soft.completion.Rd:10): Warning: missing </ul> before </div>
softmax.html:47:1 (softmax.Rd:10): Warning: missing </ul> before </div>
train_ade.html:82:1 (train_ade.Rd:32): Warning: missing </ul> before </div>
train_ade_quick.html:83:1 (train_ade_quick.Rd:34): Warning: missing </ul> before </div>
xgb_optimizer.html:54:1 (xgb_optimizer.Rd:14): Warning: missing </ul> before </div>
xgb_predict.html:50:1 (xgb_predict.Rd:12): Warning: missing </ul> before </div>
xgb_predict_.html:50:1 (xgb_predict_.Rd:12): Warning: missing </ul> before </div>