juft regression tahlil
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juft regression tahlil 2-masala. topshiriq: 2.1. 1-masalada berilgan maβlumotlarga asoslanib, ππππΈπ indexiga πΆππΌπ indeksining taβsirini ifodalovchi quyidagi model parametrlarini baholang: π¦π = π + π β π₯π + π 2.2. olingan natijalarni tahlil qiling. echilishi. 2.1. οΏ½ΜοΏ½π = π + π β π₯π chiziqli regressiya tenglamasining π va π parametrlarini hisoblash uchun eng kichik kvadratlar usuli (ekku) dan foydalanamiz: { π β π + π ββπ₯π =βπ¦π π π=1 π π=1 π ββπ₯π + π ββπ₯π 2 π π=1 =βπ¦π β π₯π π π=1 π π=1 shuningdek π va π parametrlarini quyidagi soddalashtirilgan formulalar orqali ham hisoblab topish mumkin: π = π¦ β π₯Μ Μ Μ Μ Μ Μ β οΏ½Μ οΏ½ β οΏ½Μ οΏ½ π₯2Μ Μ Μ β οΏ½Μ οΏ½2 π = οΏ½Μ οΏ½ β π β β¦
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