search for: tables_for_r

Displaying 3 results from an estimated 3 matches for "tables_for_r".

2011 Jan 09
2
Post hoc analysis for ANOVA with repeated measures
...:condition Df Sum Sq Mean Sq F value Pr(>F) stimulus:condition 6 9.124 1.5206 1.4465 0.2068 Residuals 84 88.305 1.0513 > In attachment you find the table I am using, you can access it by means of: scrd<- read.csv(file='/Users/....../tables_for_R/table_quality_gravel.csv',sep=',',header=T) The data are from an experiment where participants had to evaluate on a seven point likert scale the realism of some stimuli, which are presented both in condition "A" and in condition "AH". Thanks in advance Best re...
2011 Jan 05
2
Problem with 2-ways ANOVA interactions
...y problem is very simple I am sure. I need an help with an example, looking at one table I am analyzing. The table is in attachment and can be imported in R by means of this command: scrd<- read.table('/Users/luca/Documents/Analisi_passi/Codice_R/Statistics_results_bump_hole_Audio_Haptic/tables_for_R/table_realism_wood.txt', header=TRUE, colClasse=c('numeric','factor','factor','numeric')) This table is the result of a simple experiment. Subjects where exposed to some stimuli and they where asked to evaluate the degree of realism of the stimuli on a 7 poi...
2011 Jan 05
3
Assumptions for ANOVA: the right way to check the normality
Dear all, I would like to know which is the right way to check the normality assumption for performing ANOVA. How do you check normality for the following example? I did an experiment where people had to evaluate on a 7 point scale, the degree of realism of some stimuli presented in 2 conditions. The problem is that if I check normality with the Shapiro test I get that the data are not