~ imrchen把《Using R for Introductory Statistics》放到書櫃上 Using R for Introductory Statistics presents a self-contained treatment of statistical topics and the intricacies of the R software. The pacing is such that students are able to master data manipulation and exploration before diving into more advanced statistical concepts. The book treats exploratory data analysis with more attention than is typical, includes a chapter on simulation, and provides ...
- Roger Chen
"語言現象很複雜,是由所有使用者透過集體智慧和時間考驗,逐漸形成的共識,也就是約定俗成。但是英文不是我們的母語,我們缺少了浸淫在英語環境及參與其形成的經驗,很難像母語人士可以憑語感來判斷一個句子成不成立。拜Google的強大計算功能之賜,現在對於英文的用法、翻譯如果有爭議,往往幾秒鐘內Google就會在億兆的英文材料中,比對出包含輸入字眼的網頁文獻,並提供具體的項目數量,讓我們依統計數字的多寡來判斷,比所謂的英文權威更可靠。"
- Roger Chen
from Bookmarklet
"Detailed questions about perceptions of Islam show that a plurality of the public (45%) says Islam is no more likely than other faiths to encourage violence among its believers; 38% take the opposite view, saying that Islam does encourage violence more than other faiths do. Views on this question have fluctuated in recent years, with the current findings showing that the view that Islam is connected with violence has declined since 2007, when 45% of the public said that Islam encourages violence more than other religions do, while 39% said Islam is no more likely than other faiths to encourage violence."
- Roger Chen
from Bookmarklet
~ imrchen把《Security for a Web 2.0 World》放到書櫃上 Discover how technology is affecting your business, and why typical security mechanisms are failing to address the issue of risk and trust.
- Roger Chen