GDO: Agreement study

In PairedData: Paired Data Analysis

Description

This dataset gives the same measurements of muscle activation (EMG) in 3 days corresponding to a reproductibility study for 18 tennis players.

Usage

data(GDO)

Format

A dataframe with 18 rows and 4 columns.

[,1]	Subject	factor	anonymous subjects
[,2]	Day1	numeric	measurement first day
[,3]	Day2	numeric	measurement second day
[,4]	Day3	numeric	measurement third day

Source

Private communication. Samuel Rota, CRIS, Lyon 1 University, FRANCE

See Also

packages: agreement, irr and MethComp.

Examples

data(GDO)

# Building new vectors for performing
# a repeated measures ANOVA
# with a fixed Day effect
Activation<-c(GDO[,2],GDO[,3],GDO[,4])
Subject<-factor(rep(GDO[,1],3))
Day<-factor(rep(c("D1","D2","D3"),rep(18,3)))
aovGDO<-aov(Activation~Day+Error(Subject))
summary(aovGDO)

# Reliability measurement: SEM and ICC(3,1)
sqrt(12426)
72704/(72704+12426)

Example output

Loading required package: MASS
Loading required package: gld
Loading required package: mvtnorm
Loading required package: lattice
Loading required package: ggplot2

Attaching package: ‘PairedData’

The following object is masked from ‘package:base’:

    summary


Error: Subject
          Df  Sum Sq Mean Sq F value Pr(>F)
Residuals 17 1235976   72704               

Error: Within
          Df Sum Sq Mean Sq F value Pr(>F)  
Day        2  70299   35150   2.829  0.073 .
Residuals 34 422476   12426                 
---
Signif. codes:  0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1
[1] 111.472
[1] 0.854035

PairedData documentation built on May 1, 2019, 6:49 p.m.