关于SLOPE ONE在KDD-CUP2012 track2中的运用Slope one是一系列协同过滤算法的统称于2005年发表的论文中提出该算法特点是算法简洁有效实现方便而且其精确度于其他复杂费时的算法相比也不想上下所以该算法常常用来改进其他算法Slope one可以预测这这样问题根据其他项目的评分来预测某项目的分值一般做法是线性回归即f(x)=axb于是我们需要列出x2个线性回归方程和回归量另
The University of Ne
Daily routine get upWash face Brush teeth Eat breakfast Take a bath Dry ones hairb ones hair Get dressed Go to the bathroom Go to school Study Eat lunch Go home Do ones homework Eat dinner Go to
Group OneGroup Leader: 柏靖雯 3120103890Group Member:吴书婷 3120103122梁梦驰 3120104579吴伦荣 3120300211夏天一 3120103134张慧 3120101456陈仕欣 3120100997董昊钰 3120000445 2015326Chapte
ode23??? 解非刚性微分方程低精度使用Runge-Kutta法的二三阶算法ode45??? 解非刚性微分方程中等精度使用Runge-Kutta法的四五阶算法ode113?? 解非刚性微分方程变精度变阶次Adams-Bashforth-Moulton PECE算法ode23t??? 解中等刚性微分方程使用自由内插法的梯形法则ode15s??? 解刚性微分方程使用可变阶次的数值微分(NDFs)算
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Quiz for Unit OnePart I Multiple choice1. She _____ useful knowledge of the English by careful study. A. acquired B. gained C. sacrificed D. earned2. Their ____ that their project under way w
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Lesson78? The last one 最后一枝吗?After reading an article entitled 'Cigarette Smoking and Your Health' I lit a cigarette to calm my nerves I smoked with concentration and pleasure as I was sure that thi
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