Re: [Freesurfer] LME univariate data

Hello, this is a little bit hard to tell from the outside. So for the moment I have only some general ideas: Did the algorithm converge in both cases? If not, I would have less confidence in the results. One thing to consider besides the effect size and direction is the variability of the

Re: [Freesurfer] LME univariate data

Dear Kersten, Thanks for reply. I have new question. When I set model use total_i_vol_stats = lme_fit_FS(X,[1 2],Y(:,2),ni) and total_i_vol_stats = lme_fit_FS(X,[1],Y(:,2),ni). But Bhat of two models' year have a lot different, for example, with 2 is 1.2422 without 2 is -0.5737. The direction has

Re: [Freesurfer] LME univariate data

Hi  sorry for the delayed response, I was not able to reply during the last week. You are right that the F-test provided in the LME toolbox initially does not provide information about the direction of the effects. You could do the following: First, it is always useful to plot the data to get

Re: [Freesurfer] LME univariate data

Dear Kersten, I have a question about LME model. After I acquired p value, could I know which group is bigger? Thanks, Lanbo On Fri, Mar 16, 2018 at 12:13 AM, lanbo Wang wrote: > Dear Kersten, > > Thanks a lot, it's really help. I have another question, after I got >

Re: [Freesurfer] LME univariate data

Dear Kersten, Thanks a lot, it's really help. I have another question, after I got results that two group have significant, then how could I get direction? Thanks, Lanbo On Tue, Mar 13, 2018 at 5:40 PM, Diers, Kersten /DZNE wrote: > Hello, > > On Di, 2018-03-13 at

Re: [Freesurfer] LME univariate data

Hello, On Di, 2018-03-13 at 21:48 +0100, lanbo Wang wrote: > Dear Kersten, > > Thanks, I find it. And I have other questions: > 1. The intercepts all set as one, so in this model it doesn't > separate different subjects, or can say no individual subject change > rate? If I understood correctly,

Re: [Freesurfer] LME univariate data

Dear Kersten, Thanks, I find it. And I have other questions: 1. The intercepts all set as one, so in this model it doesn't separate different subjects, or can say no individual subject change rate? 2. Should we set age according to different timepoint, or just use baseline age? Thanks, Lanbo On

Re: [Freesurfer] LME univariate data

Hello Lanbo, the univariate example data can actually be downloaded from the LME tutorial website: Search for: "An optional sample dataset which can be used to become familiar with the LME Matlab tools can be found here". The linked tar.gz archive contains two folders, one for the univariate and