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the cyclist


Alden Scientific

Last seen: en dag ago 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
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...

2 dagar 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...

3 dagar 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...

5 dagar 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...

7 dagar ago | 0

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

8 dagar 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...

9 dagar 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 "...

16 dagar 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...

18 dagar 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...

18 dagar 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 ...

19 dagar 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...

19 dagar 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. ...

24 dagar 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...

ungefär en månad 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...

ungefär en månad 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 ~...

ungefär en månad 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...

ungefär en månad 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...

ungefär en månad 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...

ungefär en månad 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...

ungefär en månad 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 ...

ungefär en månad 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...

ungefär en månad 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...

ungefär en månad 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'...

ungefär en månad 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...

ungefär 2 månader ago | 2

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

ungefär 2 månader 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...

ungefär 2 månader ago | 0

Answered
data fitting with multiple independent variables
Your problem triggered a memory of this MATLAB example. I think your temperature is analogous to the time in that example. I'm ...

ungefär 2 månader ago | 0

Answered
How to create a wordcloud in specific shape using MATLAB?
I am unaware of any way to do this using only MATLAB, but you can always call Python from MATLAB.

ungefär 2 månader ago | 0

Answered
matlab application not responding when I try to close a plot
It's a known bug. See, e.g., this lengthy thread.

ungefär 2 månader ago | 1

Answered
What is the differences between RUL models and ML models?
This is not an easy question to answer, and in some ways it is not really a MATLAB question. It is more of a generic modeling qu...

ungefär 2 månader ago | 0

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