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the cyclist


Alden Scientific

Last seen: Today Active since 2011

Head of Modeling and Statistics at Alden Scientific. Obsessive runner. Professional Interests: Predictive modeling, statistics. (I don't respond to email via author page, but will usually look at a question if you send me a link to it.)

Programming Languages:
Python, R, MATLAB, SQL
Spoken Languages:
English
Pronouns:
He/him

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Answered
how to convert table to cell to acess data?
The syntax rcs=M(:,4) will give a one-column table. The syntax rcs=M{:,4} will give a column of data of the class that is s...

ongeveer 16 uur ago | 0

Answered
Solving an array without for loops
Your question is stated abstractly enough that it is difficult to give specific advice (at least for me). I think it is possibl...

ongeveer 16 uur ago | 0

Answered
Why am I getting the error "Too many output arguments"?
You are confusing MATLAB by using error (a MATLAB function) as a variable name. I changed that variable name to errorVal, and i...

1 dag ago | 1

| accepted

Answered
problem with low infinite number
Because their floating-point representations are not exactly equal. You can see that they are not quite equal: load("matlab_Ed...

2 dagen ago | 0

Answered
Find a weight matrix and bias which performs the following binary classification
Some MATLAB functionality is not included in basic MATLAB, and you need to purchase a separate "toolbox". The hardlim function i...

4 dagen ago | 0

Answered
Extract regexp tokens with regexpPattern
I realize that this is not really an answer to your question, but I just wanted to make sure you are aware that one option is to...

5 dagen ago | 0

Answered
Blurry Plots -- Using Mac
There are so many possibilities here, and you haven't really provided any specific info except that you are on a Macbook (and or...

7 dagen ago | 0

Answered
Showing information on a plot
You should be able to get everything you want, using the following commands: title, xlabel and ylabel for the title and axes la...

9 dagen ago | 0

Answered
How to do uneven 2 way anova
The documentation for anovan has an example for two-way ANOVA for unbalanced design.

10 dagen ago | 0

Answered
Create confusion matrix from LDA model
The ClassificationDiscrimant class has a predict function. You can input the predicted and actual labels into the confusionchart...

11 dagen ago | 0

| accepted

Answered
Statistical summaries for each categories in table display
This is the Variable Editor view in the MATLAB "New Desktop", which is in beta development. You can try it by clicking on the "...

18 dagen ago | 1

| accepted

Question


Figures from code executed on Answers are tiny
When I run code here at Answers, generated figures are now much, much smaller than they used to be. (I can't remember how long t...

19 dagen ago | 1 answer | 0

1

answer

Answered
Scattered Interpolant in matlab
No, according to the documentation for scatteredInterpolant, the available extrapolation methods are 'nearest', 'linear', or 'n...

20 dagen ago | 0

Answered
ANOVA for linear mixed-effects models produces misleading main effects
I think it is easier to interpret the estimated model coefficients if you write out all terms for both groups, in the following ...

21 dagen ago | 1

Answered
Find fractional exp. root
I assume your equation is 1/s + 1/(s+3) + 1/(s+10) = 0 There are a couple different ways: % With the Symbolic Math Toolbox s...

21 dagen ago | 0

| accepted

Question


MATLAB figure with transparent background into Google Slides
I am able to save a MATLAB figure with a transparent background, in EPS format. But Google Slides will not import an EPS file. ...

26 dagen ago | 1 answer | 0

1

answer

Answered
Does Matlab perform optimization better than python?
Disclaimer: I barely qualify as a Python programmer. I don't know of any benchmarking specifcally in optimization problems. I'v...

ongeveer een maand ago | 0

Answered
I have "step" data and I want value only on the steps
I am not sure how you want to define the "plateau" value, since the displacement moves both up and down. Can you just use the un...

ongeveer een maand ago | 0

Answered
Error using fitrm function classreg.regr.FormulaProcessor>parseStr
I agree with @Harald, that a linear mixed effects model is likely a good choice here: load("data.mat","data") modelspec = 'X ~...

ongeveer een maand ago | 1

| accepted

Answered
Sort function indices in regards to the original data?
In response to your comment on my other answer (which I posted before you edited your question), here is how to get what you wan...

ongeveer een maand ago | 1

| accepted

Answered
Sort function indices in regards to the original data?
I'm not sure why you think it should be [2 3 4 7 8 5 1 6]. But, the output is correct. The 7th element is the largest The 1st...

ongeveer een maand ago | 0

Answered
How to calculate the value of (x) on xaxis in MATLAB ?
How, specifically, do you want to define that point? It is not the highest peak, which is at index=85 (as shown in the last line...

ongeveer een maand ago | 0

Answered
Could anyone help me with an error in my code?
Answering the questions in my comment above will clarify things, but I expect you are calling ADDE with either no arguments or o...

ongeveer een maand ago | 0

Answered
Having trouble with saving multiple figures as they are produced in sequence.
You don't mention the problem, but I will say that I typically put a drawnow command just before saving/printing figures. I'm ...

ongeveer een maand ago | 1

Answered
readtable .txt file, reading string row issue
You need to specify that the first column is the row names: % Specify the file name file_path = 'Test.txt'; % Read the file...

ongeveer een maand ago | 0

| accepted

Answered
Q-factor calculation
Here is what the MathWorks AI Chat Playground suggested: % Step 1: Load S12 data S12_data = [freq, S12]; % Replace freq and S1...

ongeveer een maand ago | 0

Answered
Q-factor calculation
Here is what ChatGPT suggested: % Load S12 data (replace 'your_data.csv' with your actual file) data = csvread('your_data.csv'...

ongeveer een maand ago | 0

Answered
Does Matlab has cryptography toolbox?
The full list of MathWorks products is here. I don't see a cryptography toolbox. Seems like you've done at least some search on...

ongeveer 2 maanden ago | 2

Answered
how toggle this warning using unstack function
warning("off","MATLAB:table:ModifiedAndSavedVarnames") warning("on", "MATLAB:table:ModifiedAndSavedVarnames")

ongeveer 2 maanden ago | 0

Answered
Retrain Machine Learning Model On New Data
I don't really understand the question. There is no such as "re-training" an existing model. You can do one of two things: Trai...

ongeveer 2 maanden ago | 0

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