correct mistakes

xushifen · Aug 30, 2019 · 21fcbbc · 21fcbbc
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diff --git a/_config.yml b/_config.yml
@@ -322,7 +322,7 @@ excerpt_description: true
 # Please use <!-- more --> in the post to control excerpt accurately.
 auto_excerpt:
   enable: true
-  length: 50
+  length: 150
 
 # Post meta display settings
 post_meta:

diff --git a/_posts/2018-04-01-Program-R1.md b/_posts/2018-04-01-Program-R1.md
@@ -39,7 +39,7 @@ R作为用来数据探索、统计分析和作图解释型语言。它可以运
 
 > RStudio is an active member of the R community. We believe free and open source data analysis software is a foundation for innovative and important work in science, education, and industry. The many customers who value our professional software capabilities help us contribute to this community
 
-2. R和Rstudio的安装
+2. R和Rstudio的安装 
 
 - 使用[anaconda3](https://anaconda.org/)安装R是最方便简单的办法，不仅仅对windows适用而且对Linux系统也适用的，而且anaconda对管理R的包是最佳的。（在Linux系统中，安装R会需要安装很多依赖包如gcc等，而且存在包依赖包的问题，还有版本不兼容问题，因此极力推荐使用anaconda管理R）
 

diff --git a/_posts/2018-04-27-Program-R7.md b/_posts/2018-04-27-Program-R7.md
@@ -1,6 +1,6 @@
 ---
 layout: post
-title:  "R:apply函数家族（七）"
+title:  "R：apply函数家族（七）"
 date:   2018-04-27 10:10:00
 categories: 编程
 tags: R

diff --git a/_posts/2019-08-29-Program-R9.md b/_posts/2019-08-29-Program-R9.md
@@ -33,7 +33,9 @@ pacakgename（包名字）
 |--vignettes/（存放包说明文档目录）
 ```
 
-### 准备工作
+ <!-- more -->
+
+### 准备工作 
 
 ##### 安装必要R包
 
@@ -128,6 +130,5 @@ Ctrl+Shift+Alt+R（光标放在函数名上)会自动创建注释
 
 1. [R包创建](http://r-pkgs.had.co.nz/intro.html)
 
-
 
 参考文章如引起任何侵权问题，可以与我[联系](https://github.com/HuaZou/)，谢谢。