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**Content Feed**

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)

7 days ago | 0

Adding String to end of an Matrix

wordlist = strings(3, 1); for n = 1:3 wordlist(n) = input("Word: ","s"); end

7 days ago | 0

| accepted

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 ...

14 days ago | 0

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...

3 months ago | 0

| accepted

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. ...

3 months ago | 0

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...

6 months ago | 0

| accepted

.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...

6 months ago | 1

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) ...

6 months ago | 1

| accepted

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....

6 months ago | 0

| accepted

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...

6 months ago | 0

| accepted

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...

8 months ago | 0

| accepted

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

8 months ago | 0

| accepted

how to count uncommented ligns in matlab file?

% doc readlines % lines = readlines("myfunc.m"); lines = [" % comment 1" "dummy = 1 + 3;" " " "%{" "th...

8 months ago | 2

| accepted

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...

1 year ago | 0

Submitted

bfilereader

bfilereader: Efficient processing of big delimited files in MATLAB

1 year ago | 1 download |

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...

1 year ago | 0

| accepted

Question

tall array within a parfor?

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

1 year ago | 1 answer | 0

### 1

answerSort 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; ...

1 year ago | 0

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')

1 year 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}; ...

1 year ago | 1

| accepted

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...

1 year 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...

1 year 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...

2 years ago | 0

| accepted

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 ...

2 years ago | 0

How to add to Matlab a path with a @Folder

See here www.mathworks.com/matlabcentral/answers/1659190-why-addpath-is-not-working?

2 years ago | 2

| accepted

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"...

2 years 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 ...

2 years ago | 0

| accepted

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...

2 years ago | 0

| accepted

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...

2 years 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...

2 years ago | 0

| accepted