“…Canon EOS R50 For Dummies helps you create superior photo and video content, with step-by-step instructions for how to make the most of this advanced, interchangeable-lens digital camera. …”

“…Designed for photographers who haven't memorized every button, dial, setting, and feature on their Canon R6 II, Rocky Nook's handy and ultra-portable quick reference Pocket Guide helps you get the shot when you're out and about…”

Tabla de Contenidos: “…Cover -- Title Page -- Copyright -- Dedication -- Contributors -- Table of Contents -- Preface -- Part 1: Statistics Essentials -- Chapter 1: Getting Started with R -- Technical requirements -- Introducing R -- Covering the R and RStudio basics -- Common data types in R -- Common data structures in R -- Vector -- Matrix -- Data frame -- List -- Control logic in R -- Relational operators -- Logical operators -- Conditional statements -- Loops -- Exploring functions in R -- Summary -- Chapter 2: Data Processing with dplyr -- Technical requirements -- Introducing tidyverse and dplyr -- Data transformation with dplyr -- Slicing the dataset using the filter() function -- Sorting the dataset using the arrange() function -- Adding or changing a column using the mutate() function -- Selecting columns using the select() function -- Selecting the top rows using the top_n() function -- Combining the five verbs -- Introducing other verbs -- Data aggregation with dplyr -- Counting observations using the count() function -- Aggregating data via group_by() and summarize() -- Data merging with dplyr -- Case study - working with the Stack Overflow dataset -- Summary -- Chapter 3: Intermediate Data Processing -- Technical requirements -- Transforming categorical and numeric variables -- Recoding categorical variables -- Creating variables using case_when() -- Binning numeric variables using cut() -- Reshaping the DataFrame -- Converting from long format into wide format using spread() -- Converting from wide format into long format using gather() -- Manipulating string data -- Creating strings -- Converting numbers into strings -- Connecting strings -- Working with stringr -- Basics of stringr -- Pattern matching in a string -- Splitting a string -- Replacing a string -- Putting it together -- Introducing regular expressions -- Working with tidy text mining…”

Materias:

“…R is a high-level statistical language and is widely used among statisticians and data miners to develop statistical applications. …”

Tabla de Contenidos: “…13.2.2 用profvis 性 分析 -- 13.2.3 理 代码为什么会慢 -- 13.3 提 代码性 -- 13.3.1 使用内置函数 -- 13.3.2 使用向 化 -- 13.3.3 使用字 码编 器 -- 13.3.4 使用由Intel MKL 支持的R -- 13.3.5 使用并 算 -- 13.3.6 使用Rcpp -- 13.4 小结 -- 第14章 网 爬虫 -- 14.1 查 网 内容 -- 14.2 使用 CSS 择器从网 中提取数据 -- 14.3 使用XPath 择器 -- 14.4 分析HTML 代码并提取数据 -- 14.5 小结 -- 第15章 效率提升 -- 15.1 编写R Markdown 文档 -- 15.1.1 了 markdown -- 15.1.2 将R整合到markdown中 -- 15.1.3 嵌入 格和图 -- 15.2 创建交互式应用程序 -- 15.2.1 创建shiny 应用程序 -- 15.2.2 使用shinydashboard -- 15.3 小结 -- 录 术…”

Materias: