Bei's Blog

数据科学、机器学习、旅行记录与生活感悟

2025

2025-04-27 古诗文赏析 - 李白《赠汪伦》 2025-04-25 食物营养科普 2025-03-14 美国电动车数据分析

2023

2023-10-26 山西游记之平遥古城 2023-10-26 山西游记之双林寺 2023-10-26 山西游记之晋祠 2023-09-21 山西游记之山西省博物馆 2023-03-02 Learning OpenCV Python 1: Bitwise Operation

2021

2021-12-23 dtplyr memo 2021-12-13 booklist 2021-12-06 分分合合 2021-10-14 道德真经注 宋苏辙

2019

2019-03-07 用blogdown和gitalk搭建个人网站

2018

2018-09-18 信息爆炸 见多识广 与 孤陋寡闻 在模型变量上的体现 2018-04-18 转载 机器学习是什么 周志华 2018-03-16 小议数据分析

2017

2017-12-01 Map Function Replace Apply Family in Base R 2017-11-22 Good Book Recommendation: R for Data Science 2017-09-22 R包dplyr备忘

2017-09-14 Data Visualization Series IV: Create Interactive Map in R 2017-09-08 R包data.table备忘 2017-09-05 Kaggle竞赛有感4 2017-09-04 使用R语言制作具有交互效果的词云 2017-08-15 Kaggle竞赛有感3: 小议集成模型 2017-07-31 Kaggle竞赛有感2 2017-07-21 Kaggle竞赛有感之小议模型训练的欠拟合与过拟合 2017-07-11 Kaggle competition series: 1-2 2017-06-06 R的shiny中的分级菜单 2017-05-10 Deep Learning Series 8 - 10 2017-05-09 Deep Learning Series 7: text document classification using 20 newsgroups dataset 2017-05-08 Python tips 2: 使用reload sys后再使用print语句无输出 2017-05-07 Python tips 1: unicode encode error ascii codeccan03 2017-02-08 Computer Vision Series: 1-2 2017-01-07 Text Mining Series 3: automatic summarization 2017-01-07 Text Mining Series 2: make a spell correct

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2016

2016-12-27 Text Mining Series 1: Sentiment Analysis 2016-12-15 转载 用glmnet包实施套索算法 LASSO 2016-11-12 Deep Learning Series in Python 5-6

2016-11-11 安装和使用深度学习包keras时遇到的卷积层维度和openblas问题 2016-09-13 Deep Learning Series in Python 1-4 2016-08-23 Simple data analysis web application by shiny 2016-08-23 Data Visualization Gallery 2016-08-15 R Books Recommendation 2016-07-28 Word cloud web application by shiny 2016-07-27 Data in action series 5: regression models 2016-07-27 Data in action series 4: text classification 2016-07-21 Data Science Series in Python 2016-07-20 Data in action series 3: image compression 2016-07-20 Data in action series 2: recognition of human faces/span> 2016-07-20 Data in action series 1: recognition of handwritten digits 2016-06-01 Data analysis series vi: some analysis using automobile data by R and Python 2016-05-31 Data analysis series v: some analysis using world top income data by Pandas 2016-05-23 Data analysis series iv: the introduction of some simulations 2016-05-17 Data analysis series iii: the introduction of some distributions 2016-05-14 Data analysis series ii: looking at data two and more variables 2016-05-10 Data analysis series i: looking at data a single variable 2016-04-30 Data Visualization Series III: do some plot for big data by bokeh in python 2016-04-02 Big data series i: the introduction of spark in python 2016-03-30 windows上使用ipython note book打开pyspark 2016-03-22 Data Visualization Series II: do some plot by seaborn in python 2016-03-16 使用R从网页上爬取天气的数据 2016-03-04 Data Visualization Series I: creating a map in R 2016-03-04 数据可视化之用R画地图: 某市的各区构成图 2016-03-03 虚拟机ubuntu中的python spark notebook 2016-03-02 R中recharts包安装失败的解决方法 2016-02-29 Regression model series ii: do some nonlinear regression models in R by boston housing dataset 2016-02-26 Regression model series i: do some linear regression models in R by boston housing dataset 2016-02-23 Classification model series iii: compare classification models use cross validation in R by field goals dataset 2016-02-19 Classification model series ii: introduction some performance metrics of the classification models in R by field goals dataset 2016-02-19 Classification model series i: do some classification models in R by iris dataset 2016-01-16 Cluster for some short texts in R 2016-01-16 A small tip about R: transform the variable 2016-01-16 A small tip about R: subset one collumn from a dataframe 2016-01-16 A small tip about R: change the order of factor levels 2016-01-11 3 weight methods for term document matrix in R 2016-01-06 Make a word cloud or tag cloud in Python and R

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2015

2015-12-05 Python画图包seaborn和matplotlib中文字体显示 针对windows系统 使用ipython notebook 2015-12-04 红绿灯图 在R和Python中的实现 2015-11-13 关于批量处理excel文件

2015-11-10 巧用主成分分析-链接文章中有python代码 2015-10-13 R转Python的学习过程 2015-10-12 读书笔记 2015-10-11 小谈推荐系统 2015-07-20 购物篮分析 market basket analysis 2015-05-25 参加的第二个R语言大会 2015-05-24 重读《An introduction to statistical learning》第四章 2015-05-22 sas statistical model summary exercise 2015-03-19 重读《An introduction to statistical learning》第三章 2015-03-18 重读《An introduction to statistical learning》第一章和第二章

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2014

2014-12-25 参加了的第1个R语言大会，纪念下 2014-09-25 分类模型汇总 2014-06-12 数据挖掘 使用mds可视化探索数据之间的近似性

2014-06-11 数据挖掘 邮件优先级别 2014-06-10 数据挖掘 垃圾邮件过滤 2014-03-20 感慨R中的向量化计算 2014-03-07 用R做作者的社交网絡分析 2014-03-06 用R做文本分析LDA latent dirichlet allocation 潜在狄瑞雷克模型 2014-02-22 转载——caret包之三 2014-02-21 转载——caret包之二 2014-02-20 转载——caret包初探 2014-02-19 转载——随机森林简介

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2013

2013-11-08 用R做文本分析LSA (Latent Semantic Analysis) 潜在语义分析模型 2013-09-24 用R做个简单的词云 2013-09-09 怎样把网页数据读入R

2013-08-02 A Handbook of Statistical Analyses Using R Ex2.1 2013-06-20 Project Euler 2 2013-05-14 Project Euler 1

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