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打分排序系统的应用非常普遍，比如电影的评分，知乎帖子的热度，和新闻文章的排序。让我们从最简单直观的平均打分开始， 聊聊各种打分方法的利弊和使用场景。 阅读全文
打分排序系统的应用非常普遍，比如电影的评分，知乎帖子的热度，和新闻文章的排序。让我们从最简单直观的平均打分开始， 聊聊各种打分方法的利弊和使用场景。 阅读全文
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In the previous post, we talk about a very popular Boosting algorithm [Gradient Boosting Decision Tree][1]. The key of GBM is using Gradient Descent t 阅读全文
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This is the second post in Boosting algorithm. In the previous post, we go through the earliest Boosting algorithm [AdaBoost][1], which is actually an 阅读全文
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In the previous post we addressed some issue of decision tree, including instability, lack of smoothness, sensitivity to data, and etc. One solution i 阅读全文
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After talking about Information theory, now let's come to one of its application Decision Tree! Nowadays, in terms of prediction power, there are many 阅读全文
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This will be a series of post about Tree model and relevant ensemble method, including but not limited to Random Forest, AdaBoost, Gradient Boosting a 阅读全文
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I have had a hard time trying to understand recurrent model. Compared to Ng's deep learning course, I found Deep Learning book written by Ian, Yoshua 阅读全文
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Finally pass all the Deeplearning.ai courses in March! I highly recommend it! If you already know the basic then you may be interested in course 4 & 5 阅读全文
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I have finished the first course in the DeepLearnin.ai series. The assignment is relatively easy, but it indeed provides many interesting insight. You 阅读全文
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In the previous post I go through basic 1 layer Neural Network with sigmoid activation function， including How to get sigmoid function from a binary c 阅读全文