Rank: 1114 based on 132 downloads (last 30 days) and 3 files submitted
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Aaron Schurger

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Princeton University

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22 Nov 2013 Levene's test for homogeneity of variance Tests for differences in variance between different subsets of data. Author: Aaron Schurger statistics, variance, anova, levenes 27 0
24 Jul 2011 Two-way repeated measures ANOVA Two-way repeated measures ANOVA, for designs with two within-subjects variables. Author: Aaron Schurger statistics, probability, repeatedmeasures, anova, withinsubjects 89 21
  • 4.0
4.0 | 14 ratings
25 Feb 2009 Screenshot confplot_t Plots a graded error boundary which varies in color or shades of gray according to a t distribution. Author: Aaron Schurger statistics, probability, confidence interval, errorbar, plotting, graphics 16 2
  • 4.0
4.0 | 2 ratings
Comments and Ratings by Aaron View all
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21 Nov 2013 Learning the Kalman Filter Basic Kalman filter, heavily commented, for beginners to Kalman filtering. Author: Michael Kleder

Excellent resource for those of us who are new to Kalman filtering. Thank you! What if the state of my system is given by a vector rather than a scalar? Can Kalman filtering work in n dimensions? If I want to train the filter on one set of data and then apply it to another, how would I do that? What if my observations are a sum of two or more signals, plus noise? How do I "tell" the Kalman filter which of the signals I want it to estimate?

21 Nov 2013 Two-way repeated measures ANOVA Two-way repeated measures ANOVA, for designs with two within-subjects variables. Author: Aaron Schurger

Hi, Marc,
This procedure is strictly for situations where you have exactly two within-subjects factors. To my knowledge there exists no n-factor repeated measures ANOVA algorithm. Just going from two-factor to three-factor you have a huge jump in complexity of the algorithm, and when you have different numbers of between-subjects and within-subjects factors things get really scary really fast. But there are functions on the File Exchange for more than two factors.

30 Sep 2009 Viewer3D MIP, Color, Slice and Shaded 3D (shearwarp) Volume Rendering, interactive 3D view/measurement GUI Author: Dirk-Jan Kroon

Outstanding! Sometimes has an error when I switch to a different rendering mode. Thanks for this application.

31 Mar 2009 confplot_t Plots a graded error boundary which varies in color or shades of gray according to a t distribution. Author: Aaron Schurger

Would appreciate comments.
Thanks!
Aaron Schurger

Comments and Ratings on Aaron's Files View all
Updated File Comment by Comments Rating
21 Nov 2013 Two-way repeated measures ANOVA Two-way repeated measures ANOVA, for designs with two within-subjects variables. Author: Aaron Schurger Schurger, Aaron

Hi, Marc,
This procedure is strictly for situations where you have exactly two within-subjects factors. To my knowledge there exists no n-factor repeated measures ANOVA algorithm. Just going from two-factor to three-factor you have a huge jump in complexity of the algorithm, and when you have different numbers of between-subjects and within-subjects factors things get really scary really fast. But there are functions on the File Exchange for more than two factors.

25 May 2013 Two-way repeated measures ANOVA Two-way repeated measures ANOVA, for designs with two within-subjects variables. Author: Aaron Schurger Marc

Will this file work for a multi-factor (more than two factors) ANOVA?

Will it also work on a One-Way ANOVA?

10 Dec 2011 Two-way repeated measures ANOVA Two-way repeated measures ANOVA, for designs with two within-subjects variables. Author: Aaron Schurger Jordan

This seems very promising, but I can't figure out what kind of input is needed. For instance, what is d in the function definitions, and are Y and grouping vectors meant to comprise one column or multiple columns? It would be very helpful if the author could include with his download a small .mat file with sample inputs for Y, F1, F2 etc.

11 Oct 2011 Two-way repeated measures ANOVA Two-way repeated measures ANOVA, for designs with two within-subjects variables. Author: Aaron Schurger Marieke

the script works now - I appear to have had an old version of the script.

06 Jul 2011 Two-way repeated measures ANOVA Two-way repeated measures ANOVA, for designs with two within-subjects variables. Author: Aaron Schurger Erin

Good submission. I found this script gives the same results as anovan. To do repeated measures with anovan, its necessary to make another factor for subjects, and specify that factor as 'random'.

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