UniIsoRegression

Perform L1 or L2 isotonic and unimodal regression on 1D weighted or unweighted input vector and isotonic regression on 2D weighted or unweighted input vector. It also performs L infinity isotonic and unimodal regression on 1D unweighted input vector. Reference: Quentin F. Stout (2008) doi:10.1016/j.csda.2008.08.005. Spouge, J., Wan, H. & Wilbur, W.(2003) doi:10.1023/A:1023901806339. Q.F. Stout (2013) doi:10.1007/s00453-012-9628-4.