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Jeff Miller


251 total contributions since 2013

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Answered
How to use Power Analysis to Estimate Mu for Exponential Distribution
I don't think the sampsizepwr function is appropriate here. Although the sampling distribution of the mean of exponentials is a...

14 dagen ago | 0

| accepted

Answered
How can I make one of my parameters always greater than another one?
beta = alpha0 + rand;

25 dagen ago | 1

| accepted

Answered
.mat file name as a variable
use uigetfile to manually select the file name, so that you have the name as a string, fname. Then you can use load(fname) to l...

26 dagen ago | 0

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Answered
Matlab repeated measures anova - different result than in other packages
Hi again Rose, After playing around with this some more, I think the secret is to tell MATLAB that any numerically-coded catego...

30 dagen ago | 0

Answered
Conduct 2x3 repeated measures ANOVA using ranova()
% Describe within-Ss design: WithinFacs = table([1 1 1 2 2 2]',[1 2 3 1 2 3]','VariableNames',{'C1','C2'}); % In the next line...

ongeveer een maand ago | 0

Answered
ranova with two within factors
datatable.Properties.VariableNames = {'pre_A','pre_B','post_A','post_B'}; % When you have more than one repeated-measures fac...

ongeveer een maand ago | 1

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Answered
How to perform Welch ANOVA?
You have to download these functions from FileExchange--they are not built-ins. E.g. wanova

ongeveer een maand ago | 0

| accepted

Answered
Re-centering a t-skew distribution
I take it you want to find the values a,b for a linear transformation such that newScores = a + b*oldScores; Presumably you ca...

ongeveer een maand ago | 0

Answered
N-way ANOVA wrong results
Both of the MATLAB output tables make sense to me, but I don't really know what SPSS is doing. For the MATLAB continuous case, ...

ongeveer 2 maanden ago | 1

Answered
N-way ANOVA wrong results
The SPSS output does not match up with the data that you posted, so maybe you should check that analysis first. For your connec...

ongeveer 2 maanden ago | 0

Answered
How to fit a curve above/below another one?
> I am afraid you posted the answer as a comment. Oops. Let this be the follow-up to the above as an answer. >do you have a ...

ongeveer 2 maanden ago | 1

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Answered
Histogram fitting best distribution
If you haven't tried it already, maybe tell distfit to use the 'kernel' option.

ongeveer 2 maanden ago | 0

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Answered
How to shuffle with replacement every n values of a given dataset into 1000 new sequences
It might be easier to reshape your matrix so you don't have to worry so much about index bookkeeping. E.g. Seq = 1:5000; Incre...

ongeveer 2 maanden ago | 0

Answered
How to obtain exponential equation parameter from probplot function?
For a standard exponential distribution, probability = 1 - exp(-lambda*x) where x is the data value and lambda is the paramete...

ongeveer 2 maanden ago | 1

Answered
Crop a normal distribution to a predefined uniform distribution
Maybe: Choose an interval randomly (e.g., the middle distribution in your original figure seems to have about 14 intervals rang...

ongeveer 2 maanden ago | 0

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Answered
How to display text in the command window?
if abs(a-b)<0.0001 disp('LHS==RHS') end

ongeveer 2 maanden ago | 1

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Answered
Estimating a regression model using matlab
g=randn(1000,1); error=randn(1000,1); % Model: g(2:end)=k1+ k2*(g(1:end-1)-k1) + error(2:end)*k3 ; y = g(2:end); x1 = g(...

ongeveer 2 maanden ago | 0

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Answered
Comparing table values using IF statements
Change if uRiDdD(k,1) == allContacts(i,1) to if uRiDdD{k,1} == allContacts{i,1}

ongeveer 2 maanden ago | 1

Answered
How do I extract elements from a table according to specific conditions?
I think if you want to select rows then the colon operator is in the wrong place, and that you would want something like T1(str...

ongeveer 2 maanden ago | 0

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Answered
Skew Normal and Owen's T function
Here is an updated link: http://people.sc.fsu.edu/~jburkardt/m_src/asa005/tfn.m

ongeveer 2 maanden ago | 0

Submitted


BudgetCluster
Routines for running many tasks in parallel across several computers---essentially a low-budget, low-hassle substitute for a clu...

2 maanden ago | 1 download |

Answered
How to calculate the skewness and kurtosis from MATLAB gaussian mixture model function---fitgmdist ?
The gaussians in the mixture have different means and sigmas, but since they are gaussians they all have the same skewness (0) a...

2 maanden ago | 0

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Answered
linear fit with fitlm or regress
Your three variables are y, temp, and sigma? If I understand the model you want to fit, you might get a cleaner picture if you ...

2 maanden ago | 0

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Answered
Randomly dividing an integer (non-uniform distribution)
There are any number of ways to do that, depending on exactly what you mean by "considerably". Here are a few: %% Transform th...

2 maanden ago | 1

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Answered
How to minimize this function
If the problem is to find good starting parameter values, then maybe you could start with a grid search over your parameter spac...

2 maanden ago | 0

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Answered
Presenting random images from a file, where each image is presented only once?
Store a random sequence of the images in advance and then cycle through them one by one. Something like this, emotionalImageDi...

2 maanden ago | 0

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Answered
How to find parameter of function using MLE method?
It looks like you have defined DGDpdf as having a single argument, the vector phat. But when you call DGDpdf within Llikef, you...

3 maanden ago | 0

Answered
Proving CLT using real data
I'm not sure exactly what you would accept as proving CLT, but you find this helpful: X_bar = bootstrp(1000,@mean,Data); histo...

3 maanden ago | 0

Answered
Fit Lognormal function on already generated bins
Cupid has a command called EstChiSq that will do this. See https://github.com/milleratotago/Cupid

3 maanden ago | 0

Answered
How can I separate a bimodal distribution into two normal distributions?
GMModel = fitgmdist(x,2); % Your data are in x

3 maanden ago | 0

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