Filtering

Filtering精品文章

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  Item-Based Collaborative Filtering Recommendation

  【参考文献】：Sarwar B M . Item-based collaborative filtering recommendation algorithms[C]// International Conference on World Wide Web. ACM, 2001.背景：推荐领域必读文献之一，经典之作，本博客主要记录了该文章的主要思想和相关实现代码，欢迎观摩...

  voyagelab 2019-07-30 18:35 评论0 收藏0
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  Collaborative Filtering

  Memory basedget user-item matrix and calculate cosine similarity between $u_k, u_a$$$sim^{cos}(u_k,u_a)=frac{u_kcdot u_a}{||u_k|| ||u_a||}$$calculate in python, each row of train_data_matrix represent...

  oogh 2019-06-26 18:21 评论0 收藏0
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  对比scala，用javascript实现 特质(trait) 的部分特性

  ...ueue { abstract override def put(x: Int) { super.put(x + 1) } } trait Filtering extends IntQueue { abstract override def put(x: Int) { if(x >= 0) super.put(x) } } val queue1 =...

  cocopeak 2019-08-19 14:39 评论0 收藏0
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  《java 8 实战》读书笔记 -第四章 引入流

  ...names = menu.stream() .filter(d -> { System.out.println(filtering + d.getName()); return d.getCalories() > 300; }) .map(d -> { System.out.println(mapping +...

  jeyhan 2019-08-19 11:36 评论0 收藏0
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  当我开始使用React 时，我希望我知道这些知识

  ... // isFiltered还没有改变 if (this.state.isFiltered) { // Do some filtering } }; 正确做法一：将状态传递下去 toggleFilter = () => { const currentFilterState = !this.state.isFiltered; this.setState({ isFi...

  suosuopuo 2019-08-26 13:52 评论0 收藏0
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  surprise库文档翻译

  ...te for given user and item. knns.KNNBasic A basic collaborative filtering algorithm. knns.KNNWithMeans A basic collaborative filtering algorithm, taking into account the mean ...

  JessYanCoding 2019-07-31 10:25 评论0 收藏0
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  map every forEach diff javascript - whatIsInAName

  ...reduce(function(a, b) { return a && b; }); }); } -start by filtering through collection using Array.filter().-map through all keys and return Boolean values based on the check condi...

  jhhfft 2019-08-20 17:48 评论0 收藏0
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  《Java8实战》-第四章读书笔记（引入流Stream）

  ...mes = menu.stream() .filter(d -> { System.out.println(filtering: + d.getName()); return d.getCalories() > 300; }) .map(dish -> { System.o...

  _ivan 2019-08-19 11:01 评论0 收藏0
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  JAVA中单元测试的常用方式

  ... tuple(Legolas, 1000, Elf)); // filtering a collection before asserting in Java 7 ... assertThat(fellowshipOfTheRing).filteredOn(race, HOBBIT) ...

  Ryan_Li 2019-08-19 11:47 评论0 收藏0
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  Django基础之（十）DRF

  ...(2.1.0+) - Markdown support for the browsable API.django-filter (1.0.1+) - Filtering support.django-crispy-forms - Improved HTML display for filtering.django-guardian (1.1.1+) - Object level permis...

  eccozhou 2019-07-30 18:35 评论0 收藏0