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Ive J


Last seen: circa 2 mesi fa Attivo dal 2013

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Computational biologist.

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

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Risposto
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...

4 mesi fa | 0

| accettato

Risposto
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)

6 mesi fa | 0

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

6 mesi fa | 0

| accettato

Risposto
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 ...

6 mesi fa | 0

Risposto
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...

8 mesi fa | 0

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Risposto
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. ...

9 mesi fa | 0

Risposto
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...

11 mesi fa | 0

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Risposto
.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...

11 mesi fa | 1

Risposto
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) ...

12 mesi fa | 1

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Risposto
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....

12 mesi fa | 0

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Risposto
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...

12 mesi fa | 0

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Risposto
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...

circa un anno fa | 0

| accettato

Risposto
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

circa un anno fa | 0

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

circa un anno fa | 2

| accettato

Risposto
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...

quasi 2 anni fa | 0

Inviato


bfilereader
bfilereader: Efficient processing of big delimited files in MATLAB

circa 2 anni fa | 1 download |

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Risposto
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...

circa 2 anni fa | 0

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Domanda


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

circa 2 anni fa | 1 risposta | 0

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risposta

Risposto
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; ...

circa 2 anni fa | 0

Risposto
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')

circa 2 anni fa | 0

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

circa 2 anni fa | 1

| accettato

Risposto
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...

circa 2 anni fa | 0

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Risposto
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...

circa 2 anni fa | 0

Risposto
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...

circa 2 anni fa | 0

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Risposto
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 ...

circa 2 anni fa | 0

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

circa 2 anni fa | 2

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Risposto
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"...

circa 2 anni fa | 0

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Risposto
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 ...

circa 2 anni fa | 0

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Risposto
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...

circa 2 anni fa | 0

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Risposto
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...

circa 2 anni fa | 0

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