课程编码

rintrob

课程时长

28 小时通常来说是4天，包括中间休息。

课程概览

R是一种用于统计计算，数据分析和图形的开源免费编程语言。 R被企业和学术界内越来越多的经理和数据分析师使用。 R还发现没有计算机编程技能的统计学家，工程师和科学家的追随者都很容易使用。它的受欢迎程度是由于越来越多地使用数据挖掘来实现各种目标，例如设定广告价格，更快地找到新药或微调财务模型。 R有各种各样的数据挖掘包。

Machine Translated

课程大纲

I. Introduction and preliminaries

1. Overview

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
Good programming practice: Self-contained scripts, good readability e.g. structured scripts, documentation, markdown
installing packages; CRAN and Bioconductor

2. Reading data

Txt files (read.delim)
CSV files

3. Simple manipulations; numbers and vectors + arrays

Vectors and assignment
Vector arithmetic
Generating regular sequences
Logical vectors
Missing values
Character vectors
Index vectors; selecting and modifying subsets of a data set
- Arrays
Array indexing. Subsections of an array
Index matrices
The array() function + simple operations on arrays e.g. multiplication, transposition
Other types of objects

4. Lists and data frames

Lists
Constructing and modifying lists
- Concatenating lists
Data frames
- Making data frames
- Working with data frames
- Attaching arbitrary lists
- Managing the search path

5. Data manipulation

Selecting, subsetting observations and variables
Filtering, grouping
Recoding, transformations
Aggregation, combining data sets
Forming partitioned matrices, cbind() and rbind()
The concatenation function, (), with arrays
Character manipulation, stringr package
short intro into grep and regexpr

6. More on Reading data

XLS, XLSX files
readr and readxl packages
SPSS, SAS, Stata,… and other formats data
Exporting data to txt, csv and other formats

6. Grouping, loops and conditional execution

Grouped expressions
Control statements
Conditional execution: if statements
Repetitive execution: for loops, repeat and while
intro into apply, lapply, sapply, tapply

7. Functions

Creating functions
Optional arguments and default values
Variable number of arguments
Scope and its consequences

8. Simple graphics in R

Creating a Graph
Density Plots
Dot Plots
Bar Plots
Line Charts
Pie Charts
Boxplots
Scatter Plots
Combining Plots

II. Statistical analysis in R

1. Probability distributions

R as a set of statistical tables
Examining the distribution of a set of data

2. Testing of Hypotheses

Tests about a Population Mean
Likelihood Ratio Test
One- and two-sample tests
Chi-Square Goodness-of-Fit Test
Kolmogorov-Smirnov One-Sample Statistic
Wilcoxon Signed-Rank Test
Two-Sample Test
Wilcoxon Rank Sum Test
Mann-Whitney Test
Kolmogorov-Smirnov Test

3. Multiple Testing of Hypotheses

Type I Error and FDR
ROC curves and AUC
Multiple Testing Procedures (BH, Bonferroni etc.)

4. 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)

5. Survival analysis (survival package)

Survival objects in r
Kaplan-Meier estimate, log-rank test, parametric regression
Confidence bands
Censored (interval censored) data analysis
Cox PH models, constant covariates
Cox PH models, time-dependent covariates
Simulation: Model comparison (Comparing regression models)

6. Analysis of Variance

One-Way ANOVA
Two-Way Classification of ANOVA
MANOVA

III. Worked problems in bioinformatics

Short introduction to limma package
Microarray data analysis workflow
Data download from GEO: http://www.ncbi.nlm.nih.gov/geo/query/acc.cgi?acc=GSE1397
Data processing (QC, normalisation, differential expression)
Volcano plot
Custering examples + heatmaps

客户评论

★★★★★

培训师知识渊博，包括我感兴趣的领域。

Mohamed Salama

课程:Data Mining & Machine Learning with R

Machine Translated

非常适合需求。

Yashan Wang

课程:Data Mining with R

Machine Translated

我真的很喜欢与Gunner一起工作1：1。

Bryant Ives

课程:Introduction to R

Machine Translated

我喜欢深度机器学习的新见解。

Josip Arneric

课程:Neural Network in R

Machine Translated

我们获得了一些关于NN的知识，对我来说最有趣的是现在流行的新型NN。

Tea Poklepovic

课程:Neural Network in R

Machine Translated

我最喜欢R :)））中的图表。

Faculty of Economics and Business Zagreb

课程:Neural Network in R

Machine Translated

灵活友好的风格。准确学习什么对我有用和相关。

Jenny Tickner

课程:Advanced R

Machine Translated

我喜欢提供带有示例练习的Excel表格。这意味着，如果泰米尔语被阻止帮助其他人，我可以继续使用下一部分。

Luke Pontin