Biostatistics Course

In this webpage, you can find the material of the Biostatistics I and II (NIHES CK020 and CK030) courses. In particular, these consist of the Introduction to R and Statistical tests part.

Introduction to R

Slides

• Introduction

• Basics

• Common Objects

• Indexing Subsetting

• Data Transformation Exploration Visualization

• Correlation

• Hypothesis Testing

• The Apply Family

Demos

Code

• Basics

• Importing Saving

• Common Objects

• Indexing Subsetting

• Data Transformation

• Data Exploration

• Data Visualization Note

*Note: if the plot with the google data does not work, try:

• uninstalling the gtrendsR package
• download Rtools
• re-installing the package from GitHub by running: 

devtools::install_github("pmassicotte/gtrendsR", force = TRUE)

• loading the package by running:

library(gtrendsR)

• Distribution Functions

• The Apply Family

• Extra Programming Examples

Output

• Basics

• Importing Saving

• Common Objects

• Indexing Subsetting

• Data Transformation

• Data Exploration

• Data Visualization

• Distribution Functions

• The Apply Family

• Extra Programming Examples

Practicals

• Importing Saving

• Common Objects

• Indexing Subsetting

• Data Transformation Exploration Visualization

• Distribution Functions

• The Apply Family

• Extra Programming Examples

Statistical tests

An overview of the statistical tests can be found here: Statistical tests

Continuous data

Slides

• One Sample Tests

• Two Sample Independent Tests

• Two Sample Dependent Tests

• M Sample Tests

• Correlation Tests

Demos

Code

• Statistical Tests Continuous Data

Output

• Statistical Tests Continuous Data

Practicals

• Statistical Tests Continuous Data

Categorical data

Slides

• Proportion Tests

• ChiSquare FisherExact Tests

• McNemar Test

Demos

Code

• Statistical Tests Categorical Data partI

• Statistical Tests Categorical Data partII

Output

• Statistical Tests Categorical Data partI

• Statistical Tests Categorical Data partII

Practicals

• Statistical Tests Categorical Data partI

• Statistical Tests Categorical Data partII

 

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© Eleni-Rosalina Andrinopoulou