[R] Question Mixed-Design Anova in R

[Fox, John]

Dear Lisa,

> -----Original Message-----
> From: R-help [mailto:r-help-bounces using r-project.org] On Behalf Of peter
> dalgaard
> Sent: Friday, November 23, 2018 10:16 AM
> To: Lisa van der Burgh <407600ab using student.eur.nl>
> Cc: r-help using R-project.org
> Subject: Re: [R] Question Mixed-Design Anova in R
> 
> You seem to be bringing in a ton of stuff without looking at features in base
> R...
> 
> Check
> 
> help(mauchly.test)
> help(anova.mlm)
> 
> and examples therein. There are also options in the "car" package.

With respect to the latter, see in particular the O'Brien-Kaiser example in ?Anova.

I hope this helps,
 John

-----------------------------------------------------------------
John Fox
Professor Emeritus
McMaster University
Hamilton, Ontario, Canada
Web: https://socialsciences.mcmaster.ca/jfox/


> 
> -pd
> 
> > On 23 Nov 2018, at 11:43 , Lisa van der Burgh <407600ab using student.eur.nl>
> wrote:
> >
> > Hi Everyone,
> >
> >
> >
> > I have a question about Mixed-Design Anova in R. I want to obtain Mauchly s
> test of Sphericity and the Greenhouse-Geisser correction. I have managed to
> do it in SPSS:
> >
> >
> >
> > GLM Measure1 Measure2 Measure3 Measure4 Measure5 Measure6 BY
> Grouping
> >
> >  /WSFACTOR=Measure 6 Polynomial
> >
> >  /METHOD=SSTYPE(3)
> >
> >  /PLOT=PROFILE(Measure*Grouping)
> >
> >  /CRITERIA=ALPHA(.05)
> >
> >  /WSDESIGN=Measure
> >
> >  /DESIGN=Grouping.
> >
> >
> >
> > I have tried to replicate this in R:
> >
> > library("dplyr")
> >
> > library("tidyr")
> >
> > library("ggplot2")
> >
> > library("ez")
> >
> >
> >
> > PatientID <- c(1:10)
> >
> > Measure1 <- c(3,5,7,4,NA,7,4,4,7,2)
> >
> > Measure2 <- c(1,2,5,6,8,9,5,NA,6,7)
> >
> > Measure3 <- c(3,3,5,7,NA,4,5,7,8,1)
> >
> > Measure4 <- c(1,2,5,NA,3,NA,6,7,3,6)
> >
> > Measure5 <- c(2,3,NA,8,3,5,6,3,6,4)
> >
> > Measure6 <- c(1,2,4,6,8,3,5,6,NA,4)
> >
> > Grouping <- c(1,0,1,1,1,0,0,1,1,0)
> >
> > dataframe <- data.frame(PatientID, Measure1, Measure2, Measure3,
> > Measure4, Measure5, Measure6, Grouping)
> >
> > dataframe$Grouping <- as.factor(dataframe$Grouping)
> >
> > dataframe
> >
> >
> >
> > ezPrecis(dataframe)
> >
> > glimpse(dataframe)
> >
> >
> >
> > dataframe %>% count(PatientID)
> >
> >
> >
> > dataframe %>% count(PatientID, Grouping, Measure1, Measure2,
> Measure3,
> > Measure4, Measure5, Measure6) %>%
> >
> >  filter(PatientID %in% c(1:243)) %>%
> >
> >  print(n = 10)
> >
> >
> >
> > # So, we have a mixed design with one between factor (Grouping) and 6
> within factors (Measure 1 to 6).
> >
> >
> >
> > dat_means <- dataframe %>%
> >
> >  group_by(Grouping, Measure1, Measure2, Measure3, Measure4,
> Measure5,
> > Measure6) %>%
> >
> >  summarise(mRT = mean(c(Measure1, Measure2, Measure3, Measure4,
> > Measure5, Measure6))) %>% ungroup()
> >
> > View(dat_means)
> >
> >
> >
> > ggplot(dat_means, aes(c(Measure1, Measure2, Measure3, Measure4,
> > Measure5, Measure6), mRT, colour = Grouping)) +
> >
> >  geom_line(aes(group = Grouping)) +
> >
> >  geom_point(aes(shape = Grouping), size = 3) +
> >
> >  facet_wrap(~group)
> >
> >
> >
> > ANOVA <- ezANOVA(dat, x, PatientID, within = .( c(Measure1, Measure2,
> > Measure3, Measure4, Measure5, Measure6)),
> >
> >                    between = Grouping, type = 3)
> >
> >
> >
> > print(ANOVA)
> >
> >
> >
> >
> >
> > However, this does not work. I know I am probably doing it completely
> wrong, but I do not know how to solve it. Besides that, I do not know what to
> fill in at the  x .
> >
> > Can somebody help me?
> >
> >
> >
> > Thank you in advance.
> >
> > Lisa
> >
> >
> > 	[[alternative HTML version deleted]]
> >
> > ______________________________________________
> > R-help using r-project.org mailing list -- To UNSUBSCRIBE and more, see
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> > PLEASE do read the posting guide
> > http://www.R-project.org/posting-guide.html
> > and provide commented, minimal, self-contained, reproducible code.
> 
> --
> Peter Dalgaard, Professor,
> Center for Statistics, Copenhagen Business School Solbjerg Plads 3, 2000
> Frederiksberg, Denmark
> Phone: (+45)38153501
> Office: A 4.23
> Email: pd.mes using cbs.dk  Priv: PDalgd using gmail.com
> 
> ______________________________________________
> R-help using r-project.org mailing list -- To UNSUBSCRIBE and more, see
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide http://www.R-project.org/posting-
> guide.html
> and provide commented, minimal, self-contained, reproducible code.