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What is R? R is a programming language and FREE software that is gaining popularity. It's used for statistical computing and graphics.
课程包信息
此为 9 堂课程的课程包。当讲师确定第 1 堂课程预约后，另外 8 堂将会以优惠券的形式自动发送供之后预约使用。请注意，课程包优惠券使用期限为第 1 堂课程时间后的 90 天内。
课程应按时间顺序预约，即第 2 堂课程的时间应在第 1 堂之后。以此类推。
课程应按时间顺序预约，即第 2 堂课程的时间应在第 1 堂之后。以此类推。
课程介绍
In recent years, R has become an increasingly popular programming language and software. It is completely free to download and a great introduction to programming language and software. Each lesson will help you learn key important functions of R and how to analyze data, create graphs, and create simple code.
讲师的取消政策
课程包取消规定
• 「未开始」的课程包(1)随时可以取消。取消后点数将全额退还。若欲取消「进行中」的课程包(2)，将退还剩馀课程的50％点数。
(1) 「未开始」係指课程包尚未经讲师确定。
(2) 「进行中」係指课程包中已有一堂课程经确定。（当讲师确定第一堂课程预约后，系统将自动發送课程包剩馀课程的优惠券供之后预约使用。）
(2) 「进行中」係指课程包中已有一堂课程经确定。（当讲师确定第一堂课程预约后，系统将自动發送课程包剩馀课程的优惠券供之后预约使用。）
取消单堂课程包课程
• 若欲取消单堂课程包课程而非整个课程包，请至该课程预约详细页面取消。取消费依讲师的一般课程取消政策而定，但「收取 50% 课程费用为取消费」将不适用。课程包优惠券仅可能返还或抵用。
课程预约确定前
- 随时可以取消。
课程预约确定后
- 课程时间前 1 小时內→ 收取 100% 课程费用为取消费。
- 课程时间前 6～1 小时→ 收取 50% 课程费用为取消费。
- 缺席→ 收取 100% 课程费用为取消费。
讲师提供的课程
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Voice Only: English Conversation Class - 50 Minutes (No Feedback, No Video)
以较长的时间练习英语口说，提升流畅度并增加词彙量！50 分钟 1,700 点 -
American English Audio (Voice) Recording
A customized audio recording in standard, general American English0 分钟 700 点 -
24-Hour Proofreading & Editing: 1000 Words
This is the lesson for you if you need an educated native speaker to edit or proofread a longer paper or text.0 分钟 2,500 点提供试听 -
48-Hour Proofreading and Editing (Non-Skype/Offline)
Do you need an educated native speaker to edit or proofread your paper? Then this lesson is right for you.0 分钟 1,200 点提供试听 -
24-Hour Proofreading and Editing (Non-Skype/Offline)
Do you need an educated native speaker to edit or proofread your paper? Then this lesson is right for you.0 分钟 X 5 12,500 点5 堂课程包 -
48-Hour Customized Writing (Offline/Non-Skype)
Assistance with writing: homework, admissions paperwork, etc.0 分钟 3,100 点 -
TOEFL iBT 120/120!
Planning to study abroad? Need a TOEFL iBT score of over 100? Let's get the score you want!55 分钟 5,000 点提供试听 -
Taboo タブー
Let's practice your English through this classic timed game of *unspeakable* fun!25 分钟 1,500 点提供试听 -
(한) -> (영) 번역 및 맞춤 글쓰기 (48시 이내)
한국어 문서, 논문, 등등 을 영어로 번역 글의 시작부터 끝까지 모든 부분을 담당 에디터의 주도로 진행0 分钟 1,900 点 -
English Interview Prep
Are you preparing for an interview with a foreign company or organization? This lesson will help you prepare for the interview by providing sample questions and informing you on cultural differences.55 分钟 5,000 点提供试听 -
Voice Only: Quick Chat in English (No Feedback, No Video)
您的行程总是繁忙吗？每天花费短短的时间练习也是非常有帮助的。此为15分钟的短时间课程！15 分钟 600 点
