1 Content
- 1.1 Apps
- 1.2 Content
2 Install R
3 Review
- 3.1 Review of Basic Statistics
4 R Atomic Class
5 Atomic Class: Summary
- 5.1 R Atomic Class
- 5.2 Points to note
6 Factor: Categorical
- 6.1 Categorical Factor
- 6.2 Example
7 Factor: Ordinal
- 7.1 Ordinal Factor
- 7.2 Example
8 Factor: Operation
- 8.1 Operation on Factor
- 8.2 Example
9 Dataframe
- 9.1 Function
- 9.2 Example
10 Subset Data
- 10.1 Subset a data.frame
- 10.2 Example
11 Read Data
- 11.1 Function
- 11.2 Example
12 Write Data
- 12.1 Function
- 12.2 Example
13 Save & Load R Objects
- 13.1 Function
- 13.2 Example
14 Housekeeping Functions
15 R Help
16 Example Data
- 16.1 data(iris)
- 16.2 data(BP)
17 Terminologies
- 17.1 data(BP)
18 t.test
- 18.1 Subset and summarise data
- 18.2 t.test
19 Hypothesis Testing - Two Samples: Steps
20 t.test Outputs
21 Linear model
22 Compare t.test & lm outputs
23 Model revisited
- 23.1 Model
24 One-way ANOVA: Example
- 24.1 SBP Data: All Groups
25 One-way ANOVA: Overview
26 One-way ANOVA: Steps
27 One-way ANOVA: function lm
28 ANOVA Table
29 ANOVA Table: Simple R implementation
- 29.1 Analysis of Variance Table
- 29.2 Explanation
30 F distribution
- 30.1 F distribution
31 Prediction & Residuals
- 31.1 Model
32 Model Assumptions
33 Estimates
- 33.1 Estimates: Effects
- 33.2 Estimates: Means
34 SE of Estimates
- 34.1 Standard error of Mean
- 34.2 R Code
35 CI of Estimates
- 35.1 95% Confidence Interval of the Mean
- 35.2 R code
36 Estimates using library(lsmeans)
- 36.1 Estimates of Means: using library(lsmeans)
- 36.2 Estimated Means & CI
37 R²
- 37.1 Coefficient of Determination (R²)
- 37.2 R code
38 One-way ANOVA: function aov
- 38.1 Estimates: Effects
- 38.2 Using aov function
39 Comparison of Means
- 39.1 Steps of Hypothesis testing
- 39.2 R code
40 Post hoc analysis: Multiple Testing
- 40.1 Multiple Testing of Hypotheses
41 Multiple Testing: FWER & FDR
42 Post hoc analysis: R implementation
43 One-way ANOVA: Exercise

Analysis of Variance using R: Part 1

Section 24 One-way ANOVA: Example

24.1 SBP Data: All Groups

Figure: Box plots showing the SBP data for all FOUR treatment groups.