which 用法 in r R中ifelse、which、%in%的用法

轉自:藍迪的博客,http://blog.sina.com.cn/s/blog_3d7eadd20101jam4.html 在R學習過程中,遇到了ifelse,which,%in%,下面分別舉例,說明
An introduction to aggregates in R: a powerful tool for playing with data
R commands(11.09.13)
 · PDF 檔案R commands(11.09.13) (Jah Tsai since 2011.01.21 [email protected]) 參考來源:R Help & R軟體 應用統計方法(修訂版) 陳景祥 統計計算與模擬 余清祥(NCCU Stat.) & 多變量分析 洪英超(NCCU Stat.) 使用時機:已對R指令有基本了解,但對於不常用的指令
C語言函數用法大全 - 每日頭條
專欄首頁 素質云筆記 R語言︱list用法 ,批量讀取,寫出數據時的用法 R語言︱list用法,批量讀取,寫出數據時的用法 2019-05-26 2019-05-26 10:30:17 閱讀 3.6K 0 列表是一種特別的對象集合,它的元素也由序號(下標)區分,但是各元素的類型可 以是任意
1,R語言strsplit用于分割字符串 創建測試數據 > test test [1] &qu R語言strsplit函數用法 – 小蝦米2018 – 博客園 首頁
文言文「之」字用法詳解 - 每日頭條

The R Graph Gallery – Help and inspiration for R charts

Welcome the R graph gallery, a collection of charts made with the R programming language.Hundreds of charts are displayed in several sections, always with their reproducible code available. The gallery makes a focus on the tidyverse and ggplot2.Feel free to
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The caret Package
The book Applied Predictive Modeling features caret and over 40 other R packages. It is on sale at Amazon or the the publisher’s website. There is a companion website too. There is also a paper on caret in the Journal of Statistical Software. The example data
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reddit: the front page of the internet
19/7/2008 · r/tf2: This subreddit is dedicated to Team Fortress 2, created by Valve Corporation in 2007. After nine years in development, hopefully it was worth … Creators.tf – Custom modded updates including cosmetics and contracts. Jump.tf – Wide variety of …
文言文「之」字用法詳解 - 每日頭條
15/8/2018 · r/ dogelore Join Posts Wiki Hot Hot New Top Rising Hot New Top Rising card card classic compact 15.7k Posted by 9 hours ago 2 2 3 Le Fallout: The Frontier has arrived. 15.7k 388 comments share save 4.5k Posted by 8 hours ago 2 Le overdose will arrive 4.5k
文言文「之」字用法詳解 - 每日頭條

Python 爬蟲利器之 Pyppeteer 的用法 - 每日頭條