 班级规模及环境--热线:4008699035 手机:15921673576/13918613812( 微信同号) |
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坚持小班授课，为保证培训效果，增加互动环节，每期人数限3到5人。 |
| 上课时间和地点 |
开课地址：【上海】同济大学(沪西)/新城金郡商务楼(11号线白银路站)【深圳分部】：电影大厦(地铁一号线大剧院站) 【武汉分部】：佳源大厦【成都分部】：领馆区1号【沈阳分部】：沈阳理工大学【郑州分部】：锦华大厦【石家庄分部】：瑞景大厦【北京分部】：北京中山 【南京分部】：金港大厦
新开班 (连续班 、周末班、晚班）：即将开课，详情请咨询客服。(欢迎您垂询，视教育质量为生命！) |
| 实验设备 |
☆资深工程师授课
☆注重质量
☆边讲边练
☆合格学员免费推荐工作
★实验设备请点击这儿查看★ |
| 质量保障 |
1、培训过程中，如有部分内容理解不透或消化不好，可免费在以后培训班中重听；
2、课程完成后,授课老师留给学员手机和Email,保障培训效果,免费提供半年的技术支持。
3、培训合格学员可享受免费推荐就业机会。 |
课程大纲 |
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- Basic overview of R and R Studio
R overview
R Studio Environment Windows
Script Editor Window
Data Environment
Console
Plots/Help/Packages
Working with Data
Introduction to vectors and matrices (data.frame)
Different types of variables
Numeric, Integer, factor etc
Changing variable types
Importing data using R Studio menu functions
Removing variables ls() command
Creating variables at the console prompt – single, vector, data frame
Naming vectors and matrices
Head and tail commands
Introduction to dim, length and class
Command line import (reading .csv and tab delimited .txt files)
Attaching and detaching data (advantages vs data.frame$)
Merging data using cbind and rbind
Exploratory Data Analysis
Summarising data
Summary command on both vectors and data frames
Sub-setting data using square brackets
summarising and creating new variables
Table and summary commands
Summary statistic commands
Mean
Median
Standard Deviation
Variance
Count & frequencies
Min & Max,
Quartiles
Percentiles
Correlation
Exporting data
Write table .txt
Write to a .csv file
R Workspace
Concept of Working Directories and Projects (menu driven and code – setwd())
Introduction to R scripts
Creating R Scripts
Saving scripts
Workspace images
Concepts of packages
Installing packages
Loading packages into memory
Plotting data (using standard default R plot command and ggplot2 package)
Bar Charts and Histograms
Boxplots
Line charts / time series
Scatter plots
Stem and leaf
Mosaic
Modifying plots
Titles
Legends
Axis
Plot Area
Exporting a plot to a third party application
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