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How to Generate random number that most of them ZEROs
x=zeros(1,50); r=rand(1,50); PrZero = .8; % Adjust as needed to achieve "most of them zeros" x(r<(1-PrZero)/2) = 1; ...

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Somewhat lengthy question on distribution fitting
You might be able to do a lot of what you want with the routines here: <https://github.com/milleratotago/Cupid Cupid> To crea...

environ 8 ans il y a | 0

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Difference between manually fitting data with a distribution and Histfit() function?
"Is it due to the different scaling of y axis for the pdf?" Yes.

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Need to find the distribution from mean & standard deviation
As others have said, you should not expect the randomly sampled values to match the true mean and sd exactly, due to random samp...

environ 8 ans il y a | 0

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How to find inverse of a self written integral function?
No doubt there are more efficient methods for your particular function, but a quick and dirty general approach is to make a func...

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how marginal means (also called least square means) and standard deviation are calculated from repeated measure model? I do not have any "groups" in my data, I only have 76 samples each measured in 6 locations (1 location missing in one sample)
With this model I believe the marginal means and standard deviations for the different locations are simply the raw means and st...

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A soumis


milleratotago/PlotTbl
MATLAB function for plotting data in table

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Vary the colour of a plotted curve depending on a third variable.
I've updated PlotTbl and it might do what you want now. You can specify any RGB values you want to correspond to the different ...

environ 8 ans il y a | 0

Question


How can I get plain text diary files?
I am trying to use diary() to save unit test output in plain text files for later checking. The output is pretty hard to read, t...

environ 8 ans il y a | 4 réponses | 1

4

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Why is the PDF value for my most frequent event the lowest value?
The normal distribution is not a reasonable model for the daily counts that you are accumulating. I think Akira's hint was corr...

environ 8 ans il y a | 0

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Vary the colour of a plotted curve depending on a third variable.
Maybe <https://au.mathworks.com/matlabcentral/fileexchange/64581-milleratotago-plottbl PlotTbl> will do it for you. From your d...

environ 8 ans il y a | 0

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Is there any way of extracting raw data from scanned plots of charts with X and Y scales defined on graph paper?
This is not inside MATLAB, but it might be helpful anyway: <https://automeris.io/WebPlotDigitizer/ WebPlotDigitizer>

environ 8 ans il y a | 0

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get variables from text file
GetNumsInAsciiFile (on FileExchange) will get you one long list of numbers, and then you can put them where you like. Maybe tha...

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Question


Is there a better way to write this short function, without the 'for' loop?
function Rows = FindMatchingTableRows(Tbl,VarNames,VarVals) % Find the numbers of the rows in Tbl with the values % give...

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Create a pseudo-random array with a set probability of similarity to an existing random array
With such constrained stimulus pairs it might be more straight-forward to generate exactly the pairs you want systematically and...

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How to change automatically the name of the title ?
Looks like you need a "figure;" command inside the loop to start a new figure window for each solver. I think you are now drawi...

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Fminsearch for fitting models?
Alessandro, it sounds like you are fitting probit models and/or psychometric functions. If so, you might find some very useful ...

environ 8 ans il y a | 0

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Need help with fprintf
Yes. The basic idea is to use "blanks" to pad out the length of the opponent field on each line to some maximum width that will...

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Removing the zero that precedes the decimal point
Here is a little follow-up in case anyone else has this problem... I had the same problem as z8080, and I wanted to solve it ...

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How to fit imposing some conditions?
If you want to keep the residuals positive, trying building in an extra penalty for negative residuals. In your original model f...

environ 8 ans il y a | 0

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back-transform rank data
I am not really sure what you are trying to accomplish since you still have the original Data, but maybe this will give what you...

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Creating a table then filling it with data.
How about this: # preallocate arrays to hold y, c, and m before you start the loop # store the values into those arrays as y...

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A soumis


GetNumsInAsciiFile(sFName,varargin)
Read the numbers from an ASCII file, ignoring everything else.

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Calculation of probability using Beta ,lognormal and weibull distribution
"if I want to obtain the likelihood of getting a particular combination of values which represent these 3 properties of another ...

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how to develop a zero inflated weibull distribution in matlab
1. You might replace the zeros with some small nonzero value (e.g., half-way between 0 and the smallest value that can be record...

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How to skip (variable) white space using textread
GetNumsInAsciiFile on File Exchange will probably do what you want: <https://au.mathworks.com/matlabcentral/fileexchange/66692-...

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How to correctly specify WithinDesign for fitrm
WithinDesign lets you store specific numeric values associated with the levels of the within-Ss factors in the RepeatedMeasuresM...

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HOW TO USE Chi Squared Test to test Triangle Distribution?
It sounds like you are expecting h=1 and p<.05 when the fit is good, but that is not the way the test works, but that is backwar...

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how can i write t truncated distribution as a likelihood?
Not entirely clear what you are asking. Without looking too closely, your equation looks like the conditional density of x for a...

environ 8 ans il y a | 0

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Shortening nested If statements
Approximately: GR = [3.78 2.06 1.58 1.21 0.82]; magic_constants = [3.78 2.06 1.58 1.21 0.82]; for i=1:x j =...

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