Data Manipulation with R pdf epub mobi txt 電子書下載 2025

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Phil Spector

Springer

2008-03-19

164

USD 54.95

Paperback

Use R

9780387747309

圖書標籤: R 統計數據處理 Statistics R語言數據分析 Programming stats

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发表于2025-02-16

Data Manipulation with R epub 下載 mobi 下載 pdf 下載 txt 電子書下載 2025

Data Manipulation with R pdf epub mobi txt 電子書下載 2025

圖書描述

This book presents a wide array of methods applicable for reading data into R, and efficiently manipulating that data. In addition to the built-in functions, a number of readily available packages from CRAN (the Comprehensive R Archive Network) are also covered. All of the methods presented take advantage of the core features of R: vectorization, efficient use of subscripting, and the proper use of the varied functions in R that are provided for common data management tasks. Most experienced R users discover that, especially when working with large data sets, it may be helpful to use other programs, notably databases, in conjunction with R. Accordingly, the use of databases in R is covered in detail, along with methods for extracting data from spreadsheets and datasets created by other programs. Character manipulation, while sometimes overlooked within R, is also covered in detail, allowing problems that are traditionally solved by scripting languages to be carried out entirely within R. For users with experience in other languages, guidelines for the effective use of programming constructs like loops are provided. Since many statistical modeling and graphics functions need their data presented in a data frame, techniques for converting the output of commonly used functions to data frames are provided throughout the book.

Data Manipulation with R 下載 mobi epub pdf txt 電子書

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Data Manipulation with R pdf epub mobi txt 電子書下載

想要找書就要到小哈圖書下載中心

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用戶評價

評分☆☆☆☆☆

中文已齣西安交大，翻譯略次

評分☆☆☆☆☆

還行的簡介。不過確實記不住。

評分☆☆☆☆☆

中文已齣西安交大，翻譯略次

評分☆☆☆☆☆

還行的簡介。不過確實記不住。

評分☆☆☆☆☆

看的中文版，裏麵apply函數和reshape包介紹的比較詳細。

讀後感

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Data Manipulation with R - Summary Notes Jianghao Wang wangjh@lreis.ac.cn Dec. 11, 2012: version 0.1 Reference Spector, P., Data manipulation with R. Use R! 2008, New York: Springer. ix, 152 p. Chapter 1 Data in R Modes and classes The mode function ret...

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