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Ive J


Last seen: 4 Monate vor |  Aktiv seit 2013

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Computational biologist.

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

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  • Knowledgeable Level 5
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  • 6 Month Streak
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Beantwortet
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...

4 Monate vor | 0

| akzeptiert

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

4 Monate vor | 1

Beantwortet
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...

12 Monate vor | 0

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Beantwortet
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)

etwa ein Jahr vor | 0

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

etwa ein Jahr vor | 0

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Beantwortet
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 ...

etwa ein Jahr vor | 0

Beantwortet
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...

mehr als ein Jahr vor | 0

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Beantwortet
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. ...

mehr als ein Jahr vor | 0

Beantwortet
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...

mehr als ein Jahr vor | 0

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Beantwortet
.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...

mehr als ein Jahr vor | 1

Beantwortet
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) ...

mehr als ein Jahr vor | 1

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Beantwortet
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....

mehr als ein Jahr vor | 0

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Beantwortet
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...

mehr als ein Jahr vor | 0

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Beantwortet
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...

mehr als ein Jahr vor | 0

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Beantwortet
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

mehr als ein Jahr vor | 0

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

mehr als ein Jahr vor | 2

| akzeptiert

Beantwortet
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...

mehr als 2 Jahre vor | 0

Gesendet


bfilereader
bfilereader: Efficient processing of big delimited files in MATLAB

mehr als 2 Jahre vor | 1 Download |

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Beantwortet
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...

mehr als 2 Jahre vor | 0

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Frage


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

mehr als 2 Jahre vor | 1 Antwort | 0

1

Antwort

Beantwortet
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; ...

fast 3 Jahre vor | 0

Beantwortet
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')

fast 3 Jahre vor | 0

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

fast 3 Jahre vor | 1

| akzeptiert

Beantwortet
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...

fast 3 Jahre vor | 0

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Beantwortet
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...

fast 3 Jahre vor | 0

Beantwortet
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...

fast 3 Jahre vor | 0

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Beantwortet
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 ...

fast 3 Jahre vor | 0

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

fast 3 Jahre vor | 2

| akzeptiert

Beantwortet
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"...

fast 3 Jahre vor | 0

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Beantwortet
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 ...

fast 3 Jahre vor | 0

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