Community Profile # the cyclist

### No strings on me

Last seen: Today Active since 2011

Obsessive runner. Flâneur. 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
Spoken Languages:
English

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Interpretation of whisker in a boxplot for lognormal distribution
If I have done this correctly, it is about 92.2% ... % Calculation for normal distribution q3 = norminv(0.75,0,1); q1 = normi...

ungefär en timme ago | 0

Looping through 4 Images that have fixed names
IMList="app.IM"+(1:4) creates a 1x4 string array, and then you can loop through that array to use the names.

en dag ago | 0

Table Find Duplicate Rows (double, char, datetime)
You might need to share some more details about your table, but you should be able to use the unique function. % Make some pret...

2 dagar ago | 0

Histogram of overlaid standard normal draws
If you look carefully, you will notice that your bins are not at precisely the same locations. If you instead choose the exact b...

3 dagar ago | 1

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How do I sum the elements in a vector up to a specific value?
Here is one way: v = [2,3,2,2,1,3,1,10,3]; prize = sum(v(1:find(v==10,1)-1))

3 dagar ago | 0

How to add iteration in a string (make multiple strings using iterations without indexing) ?
Here is one way: for i = 1:4 matlab = sprintf("png%d",i) end Here is another, but wanted to show the first way, which ca...

3 dagar ago | 1

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Append rows to a starting row

3 dagar ago | 0

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Obtaining a logic vector (?) from a logic array
A = [0 0 0 0; 1 0 0 0; 1 1 0 1; 0 0 0 0; 0 1 1 0]; v = any(A,2)

3 dagar ago | 0

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I want to generate a matrix of random numbers between 0 and 2.5 with length=8 and the sum of generated numbers be 20
Use the Random Numbers with Fixed Sum submission from the File Exchange.

5 dagar ago | 0

Exclude certain dates on x-axis using xlim or xtick?
One possible solution to this would be to use a tiledlayout to plot each day in its own subplot.

6 dagar ago | 0

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How to combine multiple plots using subplot?
Prior subplots that would be overlapped by later plots are deleted. Try this simple on your local machine. figure subplot(3,1,...

8 dagar ago | 0

write p-value into plot
You can use the text or annotation functions. The text function is easier, but the annotation function is more powerful.

8 dagar ago | 0

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Non linear regression: Matlab function similar to Excel solver ???
This very old question/answer from the Mathworks Support Team indicates that there is no MATLAB function for the generalized red...

8 dagar ago | 0

Show free variables in solution(s) instead of zeros
A numeric matrix in MATLAB cannot hold an "x". You could change them to NaN: % Your solution M = [0, 0, 90.0, 0, 0, 0; ...

9 dagar ago | 0

Predictions Logistic Regression model using fitglm
I have a couple of comments, before answering your specific questions. First, you might benefit by reading up a little bit on g...

9 dagar ago | 0

Turning a char element in a double array
a = char('[21,12,43,1]'); array_convert = str2num(a)

9 dagar ago | 0

How to replace only one instance in a certain string
If you are certain that the first e is the first character of the string, then this will do it: x = 'e-8.5e-5' y = regexprep(x...

9 dagar ago | 0

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read data of 3 dimensional matrix
% Some pretend data data = rand(129, 135, 365); % Max along 3rd dimension max3 = max(data,[],3); % Display size of max3 ...

9 dagar ago | 0

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Is there any more efficient way to split a table than this
% Set random seed for reproducibility rng default % Make up a table with pretend data N = 30; x = rand(N,1); solar = 200*...

9 dagar ago | 0

Plotting y1 and y2 versus time in the same graph with same axis level but both in the same side and different y axis name.
Not sure what you mean about "mentioning both speeds in y axis". A more conventional method would be to use a legned. Does this ...

10 dagar ago | 1

How to create animation of multiple of frames using for loop ?
I believe you can do what you want by using the getframe and movie functions.

10 dagar ago | 0

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Remake this without a loop
% Pretend data A = 1 : 7; vector = [2 3 5]; % Replace values of A with 0, if they are in vector A(ismember(A,vector)) = 0

10 dagar ago | 1

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I have been working on this code. But it's kept showing me this error. Please help me
How are you trying to run that code? If you just try to run those lines from the Command Window, it will give that error. The r...

10 dagar ago | 0

Get next business day without taking into account holidays and saturdays
The issue is not a problem with busdate(), but with your understanding of the input. 20170610 is being interpreted as a serial d...

10 dagar ago | 1

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Using a GLM model to predict the response factor from a fixed factor
I'm very confused about how you have coded the model. Specifically, The first input to fitglm should be the predictor variable,...

13 dagar ago | 0

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Turning an entire script into a function
Put this code into a file named battleship.m function [] = battleship() clear all close all clc rowdim=input('give me...

13 dagar ago | 0

kstest for uniform distribution
From the documentation: "The one-sample Kolmogorov-Smirnov test is only valid for continuous cumulative distribution functions."...

15 dagar ago | 0

Using Linear Mixed Models with two fixed factors and a random factor
You can fit such a model using the fitlme function from the Statistics and Machine Learning Toolbox. I think the following code...

16 dagar ago | 1

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