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Ben


uthsc

Actif depuis 2012

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Question


can fitrm handle unbalanced data (without decimating it)? if not, what alternative will still allow me to see (or even set) the response covariances?
it looks like fitrm (and ranova?) takes a multivariate (MANOVA?) approach to handling repeated measures much like i've heard oth...

presque 8 ans il y a | 1 réponse | 0

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Question


where does matlab distinguish (and then allow me to specify the latter) covariance patterns from covariance structure, aka variance covariance matrix, aka etc.?
i'm new to mixed effects models to begin with, but i'm having an impossible time understanding how to specify nested covariance ...

presque 8 ans il y a | 1 réponse | 0

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Réponse apportée
anovan or fitlme for experiment with complex combination of factors
i feel your pain... i do similar experiments, and the biostats people here suggested mixed effects models (fitlme), although tha...

environ 8 ans il y a | 0

Réponse apportée
how does one specify a nested covariance pattern in fitlme?
to address this point: "The specification "(Pitx*DV|animal:APxML)" above has only 1 grouping variable - namely "animal:APxML". ...

environ 8 ans il y a | 0

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how does one specify a nested covariance pattern in fitlme?
if true fitlme(tbl, 'KS_ISI ~ Pitx*DV + (Pitx*DV|animal:APxML)','CovariancePattern',{'Diagonal', 'Full'}) end Error u...

plus de 8 ans il y a | 0

Question


how does one specify a nested covariance pattern in fitlme?
i'm new to mixed effects models to begin with, but i'm having an impossible time understanding how to specify nested covariance ...

plus de 8 ans il y a | 4 réponses | 0

4

réponses

Question


plotInteraction issue with categorical data...wtf?
after this: fitlm(X,y,'interactions','Categorical',[1],'RobustOpts','on') then the following are not working: >> plotIntera...

plus de 8 ans il y a | 1 réponse | 0

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besself acting like a high pass filter... fixable by using different domain?
self, you're wonderful! and to think: all i needed was to think that others were paying attention! oh life is swell! b s

plus de 12 ans il y a | 0

Réponse apportée
besself acting like a high pass filter... fixable by using different domain?
ben, if you'll notice that filter operates along the first non-singleton dimension, then you might save yourself some spilt tea...

plus de 12 ans il y a | 0

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besself acting like a high pass filter... fixable by using different domain?
hi self, another problem you might notice is that filter(b,a,data) doesn't actually work at all. you can use fvtool to see th...

plus de 12 ans il y a | 0

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besself acting like a high pass filter... fixable by using different domain?
i see (in the besself documentation) that matlab doesn't support digital bessel filters, and that the besself algorithm doesn't ...

plus de 12 ans il y a | 0

Question


besself acting like a high pass filter... fixable by using different domain?
i think the solution is found below and that my problem stems from my ignorance of how filters work. i just wanted to make sure...

plus de 12 ans il y a | 4 réponses | 0

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