Pdfmerge Bat Github

Efficient R Programming

There are many excellent R resources for visualization, data science, and package development. Hundreds of scattered vignettes, web pages, and forums explain how to use R in particular domains. But little has been written on how to simply make R work effectively—until now. This hands-on book teaches novices and experienced R users how to write efficient R code. Drawing on years of experience teaching R courses, authors Colin Gillespie and Robin Lovelace provide practical advice on a range of topics—from optimizing the set-up of RStudio to leveraging C++—that make this book a useful addition to any R user’s bookshelf. Academics, business users, and programmers from a wide range of backgrounds stand to benefit from the guidance in Efficient R Programming. Get advice for setting up an R programming environment Explore general programming concepts and R coding techniques Understand the ingredients of an efficient R workflow Learn how to efficiently read and write data in R Dive into data carpentry—the vital skill for cleaning raw data Optimize your code with profiling, standard tricks, and other methods Determine your hardware capabilities for handling R computation Maximize the benefits of collaborative R programming Accelerate your transition from R hacker to R programmer

Advanced Bash Scripting Guide

TOEFL 1200 Words in 30 Days

TOEFL 1200 Words in 30 Days is for students in narrow time frame to prepare tests. Its proper vocabulary and organization bring great efficiency and convenience to tens of thousands and help them up scores. In fact, it isn't simply an ebook. Based on its proven contents, Pacific Lava School offers online options to let students build vocabulary quicker and easier from www.pacificlava.com and www.ienglishtest.com. Various online courses and resources are contributed by the author, Pacific Lava School. It means what you get isn't only an ebook of word list, you also have lots of fantastic accompanied tools in word building journey. Some of them are deserved to let you know here. 1. TOEFL 1200 Words in 30 Days, free online course shared the same title and word list exactly as this ebook. It provides online practice. If you are ESL student, you can get explanation of each word in 20 languages. 2. DIY Vocabulary Test, free online resource. It makes dynamical test sheet to help you evaluate your level and progress anytime and anyplace. To match with this ebook's contents, please ensure to select TOEFL and Basic level. 3. DIY Vocabulary EBook, online resource. It is a great tool to make your own PDF word list. In DIY ebook, you can skip known word, include local explanation, and/or expand your list from basic level (1200 of this ebook) to all levels' 4800 words. In summary, Pacific Lava School appreciates every second and every coin that students invest on vocabulary building and does its best to assist them to be successful. Choose this ebook equals to start from a right point for your vocabulary building. Come on, the bright future is shining ahead!