Mastering Text Mining with R Jan 5,2017 by Ashish Kumar and Avinash Paul pages 页数: 288 pages Publisher Finelybook 出版社: Packt Publishing - ebooks Account (January 5,2017) Language 语言: English ISBN-10 书号: 178355181X ISBN-13 书号: 9781783551811 下载地址 Download进行人机身份验证