TY - JOUR AU - Fyfe, Colin AU - Han, Ying AU - Corchado Rodríguez, Emilio Santiago PY - 2004 SN - 0925-2312 (Print) UR - http://hdl.handle.net/10366/134457 AB - We extend the principal curves algorithm by creating twinned principal curves which extend through two related data sets simultaneously. The criteria for accepting a pair of data points as neighbours for any other pair of data points is that each of... LA - en PB - Elsevier BV KW - Computer Science TI - Forecasting using twinned principal curves and twinned self-organising maps ER -