10 2015 档案

练习2-2
摘要：library(devtools)install_github("jennybc/gapminder")> library(gapminder)> data(gapminder)> head(gapminder) country continent year lifeExp po... 阅读全文
posted @ 2015-10-19 21:44 橙子牛奶糖 阅读(334) 评论(0) 推荐(1) 编辑
练习2-1
摘要：dat = read.csv("femaleMiceWeights.csv")mean(dat[13:24,2]) - mean(dat[1:12,2])s = split(dat[,2], dat[,1])stripchart(s, vertical=TRUE, col=1:2)abline(h=... 阅读全文
posted @ 2015-10-19 19:57 橙子牛奶糖 阅读(258) 评论(0) 推荐(0) 编辑
1-3
摘要：R版本：3.2.2install.packages("devtools")download and install Rtools 3.3 from http://cran.r-project.org/bin/windows/Rtools/ and then run find_rtoollibrary... 阅读全文
posted @ 2015-10-18 20:25 橙子牛奶糖 阅读(237) 评论(0) 推荐(0) 编辑
1-4
摘要：在本地建立文件new directory\empty project\project1在官网下载文件：点击进入“femaleMiceWeights.csv”，再点击“Raw”,右击“网页另存为”，保存名字“femaleMiceWeights.csv”在本地文件"project1"中新建R Scrip... 阅读全文
posted @ 2015-10-13 21:51 橙子牛奶糖 阅读(502) 评论(0) 推荐(0) 编辑

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