Jeff Miller

Last seen: 1 day ago | Active since 2013

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Statistical Test for decaying signals
One simple approach is to fit a straight line to each dataset and show that the slopes are statistically different. For example,...

18 days ago | 0

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question about function handles in OO
Function handles are not behaving as I expect in an OO project, and I'd like to understand why not. In brief, I have a class ("...

22 days ago | 1 answer | 0

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What is the Interpretation of the p-Value from runstest() ?
I'm not sure how much detail you want about hypothesis testing, but the fact is that the values you get from repeated tests of...

24 days ago | 0

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Why is my Mixed ANOVA including the intercept as an interaction term?
I think you need OverallDataTable.Consciousness = categorical(OverallDataTable.Consciousness);

1 month ago | 1

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F-Test Fixed Effects SSRs - reduced model smaller than complete model
SSR is the sum of squares explained by the model (maybe you are thinking it is the sum of squares residual, which is actually ca...

2 months ago | 0

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How can i understand the within and between model factors of a mixed model ANOVA
Yes, this is something that can be accounted for using withinDesign. See https://au.mathworks.com/matlabcentral/answers/467222-...

6 months ago | 0

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Inverse of a mixture distribution of two lognormal functions
Unfortunately, your method below won't retrieve the Cr values correctly except in the special case where the two distributions i...

6 months ago | 1

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Using bootstrp for t-values
It depends on whether you want it to be possible that the "one randomly sampled value" is also present within the random sample ...

7 months ago | 0

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Find the two most commonly occurring values in a multimodal distribution of numbers.
It would be more informative to see a histogram of your y values since they aren't related to x per se. If that histogram looks...

8 months ago | 0

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ANOVA for linear mixed-effects models produces misleading main effects
One common approach in this situation is to rescore x to shift the intercept to a value that you do care about--usually the mean...

8 months ago | 1

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Alphabet T and L are overlapping in some of the trials in this code for Psychtoolbox. How to resolve this issue ?
I think you have a lot more randomization and complexity than you need. For example, it doesn't matter what order you draw the ...

8 months ago | 0

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ANOVA for linear mixed-effects models produces misleading main effects
In addition to what @the cyclist said, here is another way to look at it: "I always assumed that the stats for the main effect ...

8 months ago | 1

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fit a log 'raised cosine' distribution on univariate data in matlab
I think the problem is here: y = lograisedcosinepdf(x,mu,s); Since you are plotting xgrid versus y, I think you want y = logr...

8 months ago | 0

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Three-way repeated-measures ANOVA with no between-factor
It sounds like you are almost there but this isn't right: "given filtered searches for each factor (e.g., data(:, strcmp(gender,...

9 months ago | 1

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Non parametric N-way analysis of variance
No, there isn't one. This isn't actually a Matlab limitation, but rather a statistical one, because there simply isn't a clear ...

9 months ago | 0

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Save a variable during parfor loop
Maybe break up your computations into segments, run the parfor within each segment, and save the results at the of each segment,...

9 months ago | 1

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Linear regression on data with asymmetric measurement error
If you have separate measures of the lower and upper directional error associated with each X value (either empirical or derived...

11 months ago | 0

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Compute conditional mean from distribution
Another approach: pd = makedist('Lognormal', 5, 0.5); lb = icdf(pd,0.01); % find scores at 1% and 5% ub = icdf(pd,0.05); td...

11 months ago | 0

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Error in generalized linear mixed-effects model with poisson distribution.
I haven't used Poisson models myself, but I thought they required the values of the dependent variable to be non-negative intege...

12 months ago | 0

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F values come out as Infinity using the anovan function
The underlying problem is that the d.f. for error is 0, which is responsible for the 0 MS error. In essence, there are not enou...

12 months ago | 0

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How to Calculate the Effect Size at p=.05
You can get an answer by computing a confidence interval for the Cohen's d. Specifically, at p=0.05, one end of the confidence ...

1 year ago | 0

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How to locate 'Cupid-master' path on my system
I think Cupid-master is just a folder name that others have used when they installed the files, and you can just addpath to your...

1 year ago | 1

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How to extract 3 Weibull parameters obtained using method of moments
parms = weib.ParmValues; % this function reports back the current parameter values of the weib distribution.

1 year ago | 1

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Compute group statistics when the group definition is an OR of values found in several columns of a table
Maybe reformat the table with stack: T=table([1 1 2 3 3 4]',{'John','Bob','Emma','Emma','Bob','Bob'}', ... {'Emma','','Bob...

1 year ago | 0

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Writing Matlab Table to File
Try this: str = formattedDisplayText(S); str = erase(str,"<strong>"); str = erase(str,"</strong>"); fprintf(file,"%s",str); ...

1 year ago | 0

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parfor variable classification issue revisited
Maybe something like this would be helpful, using the wonderful allcomb. idx = allcomb(1:5,1:6,1:7,1:8,1:9); nrows = size(idx,...

1 year ago | 0

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Create .mat file which appends a variable each time a function is executed
Maybe you can use the function 'matfile' to do what you want. Here is a little example: % This is part of the main program / s...

1 year ago | 0

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Why are pool workers going inactive while many iterations remain?
What you would like is for any free processor to take up any waiting task (me too), but for some reason that's not how it works....

1 year ago | 0

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How to generate a Frechet distribution using Methods of Moments?
Here is how you might do it if with Cupid : %% Example for the 2-parameter Frechet distribution (minimum known to be 0) % M...

1 year ago | 0

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How can I calculate True positive, False positive, True negative and False negative of real and predicted dataset?
First you need to map your 3 values 1-3 onto just two categories: positive and negative. For example, you might decide to call ...

1 year ago | 0

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Jeff Miller

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