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Ive J


Last seen: 2 mois il y a |  Actif depuis 2013

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Computational biologist.

Programming Languages:
Python, R, MATLAB
Spoken Languages:
English

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Réponse apportée
Save variables (vector) to a tabulated text file
A = randn(10, 1); B = randn(10, 1); tab = array2table([A, B], VariableNames=["A", "B"]); % as a table writetable(tab, "myt...

2 mois il y a | 0

| A accepté

Réponse apportée
Swarmchart maximum diplay for shapley?
You can use NumImportantPredictors argument: swarmchart(explainer, NumImportantPredictors=11)

2 mois il y a | 1

Réponse apportée
How does fsrftest calculate the p-value?
At the end of doc you can see it uses -log(p) to rank features, so there is no significance level here. And yes, it's same as AN...

11 mois il y a | 0

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How to do linear fitting of data to get R square value and coeficient of a,b ?
n = 100; x = randn(n, 1); y = randn(n, 1); mdl = fitlm(x, y)

12 mois il y a | 0

Réponse apportée
Adding String to end of an Matrix
wordlist = strings(3, 1); for n = 1:3 wordlist(n) = input("Word: ","s"); end

12 mois il y a | 0

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Réponse apportée
Applying SHAP on a Reinforcement Learning Algorithm
Document and refs are clear enough if you're aware enough what your intentions are. Follow this example if you're interested to ...

12 mois il y a | 0

Réponse apportée
Importance of predictors within an Optimizable GPR model
It's almost always good to look at both local and global levels. In case of lime or SHAP, you can calculate on a random subset o...

environ un an il y a | 0

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Linear and Logistic Regressions to control for a possible confouding variable
whether or not should you adjust for some covariates in your model heavily depends on your understaind of the matter you study. ...

environ un an il y a | 0

Réponse apportée
a philosophical question regarding function (how many tasks should be wrapped inside a function?)
Assuming you're gonna stick with those variable names, you can do somethig like this: T1 = array2table(["matlab 101"; "C++ 20...

plus d'un an il y a | 0

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Réponse apportée
.MAT file with multiple tabs/sheets
you can do something like this, and write each sheet to fields of a structure: snames = sheetnames("myfile.xlsx"); out = s...

plus d'un an il y a | 1

Réponse apportée
Why does meanEffectSize() use sqrt((varX + varY)/2) for the paired cohensD calculation?
I assume you mean (check more flavors in this paper): x = [10 12 15 8 11]; y = [14 18 16 12 13]; d = mean(x-y)/std(x-y) ...

plus d'un an il y a | 1

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Multioutput Regression models in MATLAB
I'm not aware of such a function in MATLAB, but you can loop over your target/response variables, and each time fit a new model....

plus d'un an il y a | 0

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How to cluster data in a boxplot?
what about this? data = load("data.mat").data; % just a personal preference: strings are easier to work with cellCols = v...

plus d'un an il y a | 0

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Réponse apportée
How to force enable GPU usage in fitrgp
fitrgp does not [yet] support GPU arrays. You can easily scroll down the doc page and check "Extended Capabilities" for each fun...

plus d'un an il y a | 0

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Réponse apportée
Struggling to lay 2D points over a 3D scatter plot
what about hold on? hold on voc = [125, 45, 0; 140, 39, 0]; scatter3(voc(:, 1), voc(:, 2), voc(:, 3), "*") % or plot3

plus d'un an il y a | 0

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Réponse apportée
how to count uncommented ligns in matlab file?
% doc readlines % lines = readlines("myfunc.m"); lines = [" % comment 1" "dummy = 1 + 3;" " " "%{" "th...

plus d'un an il y a | 2

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Right measure for logistic regression of imbalance data and dealing with Complete Separation
It's probably a bit late for your original problem, but since it's an important question and MATLAB still lacks such important f...

plus de 2 ans il y a | 0

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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...

plus de 2 ans il y a | 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...

plus de 2 ans il y a | 1 réponse | 0

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Réponse apportée
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; ...

plus de 2 ans il y a | 0

Réponse apportée
Using movmean to calculate mean of first and last element in array
What about this? a = [1 5 8 10]; ma = movmean([a, a(1)], [0 1], 'Endpoints', 'discard')

plus de 2 ans il y a | 0

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

plus de 2 ans il y a | 1

| A accepté

Réponse apportée
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...

plus de 2 ans il y a | 0

| A accepté

Réponse apportée
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...

plus de 2 ans il y a | 0

Réponse apportée
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...

plus de 2 ans il y a | 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 ...

plus de 2 ans il y a | 0

Réponse apportée
How to add to Matlab a path with a @Folder
See here www.mathworks.com/matlabcentral/answers/1659190-why-addpath-is-not-working?

plus de 2 ans il y a | 2

| A accepté

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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"...

plus de 2 ans il y a | 0

| A accepté

Réponse apportée
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 ...

plus de 2 ans il y a | 0

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Réponse apportée
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...

plus de 2 ans il y a | 0

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