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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...

11 giorni ago | 0

| accepted

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

22 giorni 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...

23 giorni ago | 0

| accepted

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...

27 giorni 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...

circa un mese 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...

circa un mese 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

circa un mese ago | 0

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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...

circa un mese 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, ...

circa un mese 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...

circa un mese 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 ...

circa un mese 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.

circa 2 mesi 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...

circa 2 mesi 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...

circa 2 mesi 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...

circa 2 mesi 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

circa 2 mesi ago | 1

| accepted

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(...

circa 2 mesi ago | 0

| accepted

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

circa 2 mesi 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...

circa 2 mesi ago | 0

| accepted

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

circa 2 mesi 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 mesi 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 mesi 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 mesi 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 mesi 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 mesi 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 mesi 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...

2 mesi 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...

2 mesi 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 mesi ago | 0

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

3 mesi ago | 0

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