Re: [R] Contrasts for 2x4 interaction in mixed effects model

2012-09-11 Thread semperparatus
10, 2012, at 5:59 PM, semperparatus wrote: I want to change it because I don't want to compare in this instance between conditions, but I simply want to see the contrast t-statistic between patient and control at every level of condition (1, 2, and 3). From there I'd like to be able

[R] Detrended Fluctuation Analysis (fractal pkg) troubleshooting

2012-09-11 Thread semperparatus
I'm working with the DFA (detrended fluctuation analysis) function in the package fractal on postural sway data, and for the life of me can't get the results to turn out as they should given what my data looks like. The data resemble a random walk, but the Hurst exponent estimates that I'm

Re: [R] Contrasts for 2x4 interaction in mixed effects model

2012-09-10 Thread semperparatus
Your problem seems to be exactly the problem I've been having for the past week. So glad to find this thread. However, when I follow the syntax you used to get around the issue, I still didn't get the output to work in the way yours did. I don't believe my factors are truly nested however (nor

Re: [R] Contrasts for 2x4 interaction in mixed effects model

2012-09-10 Thread semperparatus
I want to change it because I don't want to compare in this instance between conditions, but I simply want to see the contrast t-statistic between patient and control at every level of condition (1, 2, and 3). From there I'd like to be able to plot the t-statistic for the contrast between patient