Data Manipulation with R 在线电子书 pdf 下载 txt下载 epub 下载 mobi 下载 2025

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Phil Spector 作者

Springer

译者

2008-03-19 出版日期

164 页数

USD 54.95 价格

Paperback

Use R 丛书系列

9780387747309 图书编码

Data Manipulation with R 在线电子书图书标签: R 统计数据处理 Statistics R语言数据分析 Programming stats

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Data Manipulation with R 在线电子书 epub 下载 mobi 下载 pdf 下载 txt 下载 2025

Data Manipulation with R 在线电子书 pdf 下载 txt下载 epub 下载 mobi 下载 2025

Data Manipulation with R 在线电子书用户评价

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中文已出西安交大，翻译略次

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看的中文版，里面apply函数和reshape包介绍的比较详细。

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入门教材，还蛮多细节的

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入门教材，还蛮多细节的

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入门教材，还蛮多细节的

Data Manipulation with R 在线电子书著者简介

Data Manipulation with R 在线电子书图书目录

Data Manipulation with R 在线电子书 pdf 下载 txt下载 epub 下载 mobi 在线电子书下载

Data Manipulation with R 在线电子书图书描述

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.

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Data Manipulation with R 在线电子书读后感

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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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