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Neural Network in R培訓 |
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班級人數--熱線:4008699035 手機:15921673576( 微信同號) |
增加互動環節,
保障培訓效果,堅持小班授課,每個班級的人數限3到5人,超過限定人數,安排到下一期進行學習。 |
授課地點及時間 |
上課地點:【上海】:同濟大學(滬西)/新城金郡商務樓(11號線白銀路站) 【深圳分部】:電影大廈(地鐵一號線大劇院站)/深圳大學成教院 【北京分部】:北京中山學院/福鑫大樓 【南京分部】:金港大廈(和燕路) 【武漢分部】:佳源大廈(高新二路) 【成都分部】:領館區1號(中和大道) 【廣州分部】:廣糧大廈 【西安分部】:協同大廈 【沈陽分部】:沈陽理工大學/六宅臻品 【鄭州分部】:鄭州大學/錦華大廈 【石家莊分部】:河北科技大學/瑞景大廈
開班時間(連續班/晚班/周末班):2020年3月16日 |
課時 |
◆資深工程師授課
☆注重質量
☆邊講邊練
☆若學員成績達到合格及以上水平,將獲得免費推薦工作的機會
★查看實驗設備詳情,請點擊此處★ |
質量以及保障 |
☆
1、如有部分內容理解不透或消化不好,可免費在以后培訓班中重聽;
☆ 2、在課程結束之后,授課老師會留給學員手機和E-mail,免費提供半年的課程技術支持,以便保證培訓后的繼續消化;
☆3、合格的學員可享受免費推薦就業機會。
☆4、合格學員免費頒發相關工程師等資格證書,提升您的職業資質。 |
☆課程大綱☆ |
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Day 1
Introduction and preliminaries
Making R more friendly, R and available GUIs
Rstudio
Related software and documentation
R and statistics
Using R interactively
An introductory session
Getting help with functions and features
R commands, case sensitivity, etc.
Recall and correction of previous commands
Executing commands from or diverting output to a file
Data permanency and removing objects
Simple manipulations; numbers and vectors
Vectors and assignment
Vector arithmetic
Generating regular sequences
Logical vectors
Missing values
Character vectors
Index vectors; selecting and modifying subsets of a data set
Other types of objects
Objects, their modes and attributes
Intrinsic attributes: mode and length
Changing the length of an object
Getting and setting attributes
The class of an object
Ordered and unordered factors
A specific example
The function tapply() and ragged arrays
Ordered factors
Arrays and matrices
Arrays
Array indexing. Subsections of an array
Index matrices
The array() function
Mixed vector and array arithmetic. The recycling rule
The outer product of two arrays
Generalized transpose of an array
Matrix facilities
Matrix multiplication
Linear equations and inversion
Eigenvalues and eigenvectors
Singular value decomposition and determinants
Least squares fitting and the QR decomposition
Forming partitioned matrices, cbind() and rbind()
The concatenation function, (), with arrays
Frequency tables from factors
Day 2
Lists and data frames
Lists
Constructing and modifying lists
Concatenating lists
Data frames
Making data frames
attach() and detach()
Working with data frames
Attaching arbitrary lists
Managing the search path
Data manipulation
Selecting, subsetting observations and variables
Filtering, grouping
Recoding, transformations
Aggregation, combining data sets
Character manipulation, stringr package
Reading data
Txt files
CSV files
XLS, XLSX files
SPSS, SAS, Stata,… and other formats data
Exporting data to txt, csv and other formats
Accessing data from databases using SQL language
Probability distributions
R as a set of statistical tables
Examining the distribution of a set of data
One- and two-sample tests
Grouping, loops and conditional execution
Grouped expressions
Control statements
Conditional execution: if statements
Repetitive execution: for loops, repeat and while
Day 3
Writing your own functions
Simple examples
Defining new binary operators
Named arguments and defaults
The '...' argument
Assignments within functions
More advanced examples
Efficiency factors in block designs
Dropping all names in a printed array
Recursive numerical integration
Scope
Customizing the environment
Classes, generic functions and object orientation
Statistical analysis in R
Linear regression models
Generic functions for extracting model information
Updating fitted models
Generalized linear models
Families
The glm() function
Classification
Logistic Regression
Linear Discriminant Analysis
Unsupervised learning
Principal Components Analysis
Clustering Methods (k-means, hierarchical clustering, k-medoids)
Survival analysis
Survival objects in r
Kaplan-Meier estimate
Confidence bands
Cox PH models, constant covariates
Cox PH models, time-dependent covariates
Graphical procedures
High-level plotting commands
The plot() function
Displaying multivariate data
Display graphics
Arguments to high-level plotting functions
Basic visualisation graphs
Multivariate relations with lattice and ggplot package
Using graphics parameters
Graphics parameters list
Automated and interactive reporting
Combining output from R with text
Creating html, pdf documents
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