Repeated Measures ANOVA with different variables

LouisP

Hi all,

In an experiment with two treatments (HN, LN), 7 samples from each treatment were measured each week for 5 weeks.

The measurements consisted of 4 different analyses, each having a different unit.

The 7 samples of each analysis were averaged.

Result is a 10x6 matrix (attached).

My questions:

-do the 4 different variables need to be transformed into a common unit (standardise, normalise, other)?

-is the present matrix lay-out OK for testing H0 that there is no difference between the variables in HN and LN in JASP? (between subject factor is HN-LN, and week as a covariate)

20200605 JASP ex.csv

Thanks,

Louis

EJ

Hi Louis,

From a quick scan, it seems like you'd indeed be doing an ANCOVA. This seems fine, but you have 4 dependent variables, so it looks like this might be cause for a MANCOVA. However, I see we only offer the MANOVA -- let me add the MANCOVA to our to-do list!

You don't need to standardize the variables.

In the future, if you'd like to make your own feature requests, please use GitHub (for details see https://jasp-stats.org/2018/03/29/request-feature-report-bug-jasp/).

Cheers,

E.J.

LouisP

Dear E.J.

Thanks very much for your reply.

Do you have any idea how long this might take?

regards,

Louis

JohnnyB

Hi LouisP,

We are just releasing a new version, so it will be in the version after that! So that would be in a couple of months.

Cheers,

Johnny