رگرسیون لجستیک: تفاوت میان نسخه‌ها

\begin{cases}\mbox{Initialize}\,\,\vec{\beta^{\,old}}\,\, \mbox{randomly}\\\mbox{loop until convergence :}\\ \,\,\mbox{for}\,\,\,\,i=0\,\,\,\,\mbox{to}\,\,\,\,n :\\\,\,\,\,\,\,\mbox{for}\,\,\,\,j=0\,\,\,\,\mbox{to}\,\,\,\,m: \\ \,\,\,\,\,\,\,\,\,\,\,\,\vec{\beta^{\,new}_j} = \vec{\beta^{\,old}_j} + \alpha \left(y_i - \frac{1}{1+e^{-\left(\beta_0beta^{\,old}_0 + \beta_1beta^{\,old}_1 x_{1,i} + \cdots + \beta_kbeta^{\,old}_k x_{k,i}\right)}}\right)\vec{x^{i}}_j\\\,\,\,\,\,\,\beta^{\,old}= \beta^{\,new}\end{cases}