Community Profile # Ive J

Last seen: Today Active since 2013

Computational biologist.

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bfilereader: Efficient processing of big delimited files in MATLAB How to get the sum of squares in GLM model summary ?
You can get SST, SSE and SSR: mdl = fitglm(rand(100, 2), randi([0 1], 100, 1), 'dist', 'binomial', 'link', 'logit'); mdl.SSE...

alrededor de 1 mes ago | 0

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Question

tall array within a parfor?
Consider the following scenario: ds = datastore(...); dst = tall(ds); parfor ... % warning here: dst is a broadca...

alrededor de 1 mes ago | 1 answer | 0

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Sort cell numbers ?
If by sort, you mean sort within each element of cell array: G = {[-83;-84] [-65] [-50;-47] [-33;-30] [-26;-22] [-16;-15] [-6; ...

alrededor de 2 meses ago | 0

Using movmean to calculate mean of first and last element in array

alrededor de 2 meses ago | 0

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exportgraphics dynamic file name
% A = {'name1', ...} for k = 1:16 %rest of the code c = colorbar; c.Label.String = A{k}; ...

alrededor de 2 meses ago | 1

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stepwiseglm model seems to be missing parameters?
It does include both. You should mind the model formula in MATLAB (AKA Wilkinson Notation): x1*x2 is x1 + x2 + x1:x2. See also...

2 meses ago | 0

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Create a double identity matrix matlab
Maybe not the best way, but works: % taken from doc kron n = 12; I = speye(n, n); E = sparse(2:n, 1:n-1, 1, n, n); K = fu...

2 meses ago | 0

Vector dimesions are different before encoding json and after decoding json
How about this? mystr.f1 = 1:4; mystr.f2 = (1:4).'; js = jsonencode(mystr); newstr = jsondecode(js) fnames = fieldnames...

3 meses ago | 0

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How do I match an annotations.json file with their respective images from an image folder?
Try this js = jsondecode(fileread("annotations.json.txt")) % file extension was changed only for upload % get info of first ...

3 meses ago | 0

How to add to Matlab a path with a @Folder

3 meses ago | 2

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Can MATLAB save the Profiler results table (Function Name, Calls, etc.) to a text file or a spreadsheet?
info = load("info.mat").info; infotab = struct2table(info.FunctionTable); infotabMain = infotab(:, ["FunctionName", "NumCalls"...

3 meses ago | 0

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Estimate p-values of fitted parameters using armax from sysid toolbox
armax returns parameters and their uncertainties; then you can calculate the p-values. load iddata9 z9 na = 4; nc = 1; sys ...

3 meses ago | 0

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Optimization of manipulating an array
a = [1, 0, 5, 0, 6, 0, 12, 0]; b = a; a_adj_mean = movmean(a(1:2:end), 2); zero_idx = a == 0; b(zero_idx(1:end - 1)) = a_a...

3 meses ago | 0

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calculate the number of times each codon appears in a .mat file
Maybe this example would help: % create a random DNA seq dna_codes = ['A', 'T', 'G', 'C']; dna_str = string(dna_codes(randi(n...

3 meses ago | 0

jsonecode doesn't support complex doubles
Here says: "JSON has no standard way to represent complex numbers, so there is no way to test for them in JSON Schema." Here a...

3 meses ago | 0

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Increase width of x axis
You need to set gca and not gcf: set(gca, 'Position', ...)

3 meses ago | 0

Combine hundred of mat files into one mat file (same quantity of row and column)
You can load all together: files = ["bearing1_1_1.mat", "bearing1_1_2.mat"]; % add all files here, use dir or ls ds = fileData...

3 meses ago | 0

retrieve data from a website with multiple pages

3 meses ago | 0

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Find the position of elements of an array in another array and measure the euclidean distance between two array elements.
X = [11 12 13 21 22 23]; A = [11 22 21 13 12 23]; B = [11 13 21 23 22 12]; [~, Q] = ismember(X, B) [~, P] = ismember(X, A)...

3 meses ago | 0

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Create timeseries of a 3d scattered plot
If you want to create an animation (GIF for instance) or a movie (e.g. AVI), you can: % see: https://mathworks.com/matlabcentra...

4 meses ago | 0

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How to execute for-loop iterations in parallel
You don't need even a loop (parfor aside) for this (and I guess you don't even need ind2sub depending on your true purpose here)...

4 meses ago | 0

Fixed Effects Design Matrix Must be of full column rank with multiple categorical predictors
The error is self-explanatory, and the reason is full dummy variable scheme you're using (why?). See here https://mathworks.com/...

4 meses ago | 0

Why does my graph get sent to the end of the html when I publish it?
I cannot reproduce this behavior.

4 meses ago | 0

Why do I receive Vectors must be the same length error in this code?
Error is very obvious: y and t1 don't have the same length. Try this t1 = linspace(1, max(y), length(y)); plot(t1, y)

4 meses ago | 0

Can I use my CPU and GPU simultaneously for Numerical Simulation?
Technically, yes you can (given that you've installed CUDA) combine both. However, whether or not you get anything useful out of...

4 meses ago | 0

Make a 2D plot with one arbitrary axis
You can start with something like this bpoints = [6.88, 7.84]; color = summer(numel(bpoints) + 1); % or whatever colors you li...

4 meses ago | 0

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How to compare two different excel sheets specific columns for like values

4 meses ago | 0

How to extract a subset of a field from a structure while keeping respective information from the other fields?
field components doesn't have the same size as others. Maybe it's better if you provide part of your struct at least. Anyways, y...

4 meses ago | 2

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