{"conversations": [{"from": "user", "value": "Descriu l' algorisme de c\u00e0lcul nuclear de la regressi\u00f3 de Nadara-Watson."}, {"from": "assistant", "value": "La regressi\u00f3 nuclear \u00e9s un m\u00e8tode estad\u00edstica no paraparam\u00e8tric que pot estimar l' expectativa matem\u00e0tica per a l' atzar. Est\u00e0 a punt de trobar una relaci\u00f3 no lineal entre un parell de valors aleatoris d' X i Y. En qualsevol par\u00e0metre no funcional, la imputaci\u00f3 del valor Y pot ser escrita com: {\\\\\\\\ {fint}\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\}\\\\\\\\}\\\\\\\\}\\\\\\\\}\\\\\\\\}}\\\\\\\\}}}}}}}}\\\\\\\\}}}}}} {\\\\\\\\}}}}}}}}}}}}}}}}}}}}}} {\\\\\\\\ {\\\\\\\\ {\\\\\\\\ {\\\\\\\\}}}}}}}}}}}}}}}}}}}}}}}}\\\\\\\\ {\\\\\\\\ {\\\\\\\\ {\\\\\\\\ {\\\\\\\\ {\\\\\\\\ {\\\\\\\\ {}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}} \\\\\\\\ {\\\\\\\\ {\\\\\\\\ {\\\\\\\\ {\\\\\\\\ {\\\\\\\\ {\\\\\\\\ {\\\\\\\\ {}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}} \\\\\\\\ {\\\\\\\\ {\\\\\\\\ {\\\\\\\\ {\\\\\\\\ {\\\\\\\\ {\\\\\\\\ {\\\\\\\\ {\\\\\\\\ {\\\\\\\\ {\\\\\\\\ {\\\\\\\\ {\\\\\\\\ {\\\\\\\\ {\\\\\\\\ {\\\\\\\\ {}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}"}]}