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Content Feed
Save variable from struct to excel file
You have 3 conditions: each row in 'errors' corresponds to each condition. However, each row in 'distractors' is another matrix ...
1 dag ago | 0
Subtracting Matrices in Special way
There should be a simpler way, but this works: A=[1 10 12;2 12 3; 3 15 4; 4 16 7; 5 18 9; 6 10 10; 7 12 9; 9 5 6]; B=[3 9 8; 4...
2 dagen ago | 1
| accepted
Why is fitlm affected by variable scale?
Well, the real question would be why not? You have introduced interaction terms to the model. Two models test different hypothe...
2 dagen ago | 0
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Repeated Measure ANOVA 2x2
You can follow this example: % response was measured under two different conditions: c1 and c2 measured in two different time p...
6 dagen ago | 2
Is it possible to make the background of a polar histogram transparent?
One way that comes to my mind is to save it as eps (or pdf): set(gcf, 'color', 'none'); set(gca, 'color', 'none'); exportgrap...
10 dagen ago | 0
| accepted
I need help in the code. what am I doing wrong?
This may help: fnc = @(url) regexp(url, "(?<=https?://)(.*?)[^:]*", 'match'); fnc('https://en.wikipedia.org:443/wiki/Kitten?...
10 dagen ago | 0
How to find the row wise linear regression coefficients?
nsample = 29; nvar = 3420; % sample data y = rand(nsample, nvar); x1 = rand(nsample, nvar); x2 = rand(nsample, nvar); x...
ongeveer een maand ago | 0
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Plotting statistics for a table
Try this, but note that your variables are highly skewed, so you should try boxplot or boxchart (median and IQR instead of mean ...
ongeveer een maand ago | 0
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How can I speed up this indexing code?
Avoid comparing strings within the loop and instead take advantage of the index vector from unique: a = ["A", "B2", "A", "C", "...
ongeveer een maand ago | 0
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How to use two data unit length in the plot function?
Either transform your data (e.g. log transformation), or break X-/Y-axes. There are several FEX already out there: mathworks.co...
ongeveer een maand ago | 1
Applying text with variable on a plot
I don't have your dataset but you can follow this example: plot(3:10, (6:13).^2, 'k.-', 'LineWidth', 1.5) Rsq = 0.64645; h ...
ongeveer een maand ago | 0
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filter cell array with strings
Try to work with tables, they're more versatile. Also check groupfilter for more advanced filtering schemes. tab = array2table(...
ongeveer een maand ago | 0
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Merging rows of a matrix into a number
See here https://mathworks.com/matlabcentral/answers/299422-converting-a-double-into-a-matrix-of-its-digits#answer_231586 C = [...
ongeveer een maand ago | 1
| accepted
Ignore missing data in a table group
As Johan also suggested you may use omitnant flag. Also, consider using groupsummary and groupfilter : m = groupsummary(T, 'C',...
ongeveer een maand ago | 0
| accepted
how to search specific data from matlab to excel
tab = readtable('myExcel.xlsx'); % see doc for more options tab(ismember(tab.(1), 'R1280XS'), :) % the row at which the input...
ongeveer een maand ago | 1
| accepted
Check for coordinate pairs matches in .mat file
Assuming both x and y are vectors of same length, this might work: x = randi([0 5], 10, 1); y = randi([0 5], 10, 1); myPair...
ongeveer een maand ago | 0
How can I create an array from the past values in a loop?
something like this? n = 10; str = strings(n, 1); for i = 1:n % do whatever str(i, 1) = gimmeMystr; end
ongeveer een maand ago | 0
Plot the slope of a parabola with only the data points being known
Before fitting, it's a good practice to visualize your data to better understand the rough relationship between your variables. ...
ongeveer een maand ago | 1
How to plot a function with summation and multiple variables?
Start by understanding MATLAB a bit better. For the time being this may help you: myfnc = @(A, s, t, i, T0, tau) sum(A.*s.*(t -...
ongeveer een maand ago | 0
Handle error from input
AFIK input doesn't let you control the error behavior. The better approach would be to return it as a string, and validate it: ...
ongeveer een maand ago | 0
fileDatastore using for loop and scatter
You are not even reading your csv files; you just read the same file file4.csv over and over! Try this: fds = fileDatastore('*....
ongeveer een maand ago | 0
mean from intersection matrix
This should work: a = [1,3,3,2,2,3,3,4,3,1,3]; b = [1,1,1,3,4,1,2,1,4,1,1]; c = [2,2,2,4,2,3,3,2,1,3,8]; x = [a; b]; [~, ...
ongeveer 2 maanden ago | 0
| accepted
Read from and make new based on positions
Why not this? G = [0 115 0 0 0 0 0 0 0 0 111 0 0 0 0 110 0 0 0 110 0 0 0 0 82 0 0 0 0 111 0 0 0 111 0 0 0 0 0 0 0 0 0 87 114...
ongeveer 2 maanden ago | 1
| accepted
Bar plot error when plotting
The main problem is that your tick labels are too long to fit under the axes. You can try something like this: figure('Name', '...
2 maanden ago | 0
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Open .m files in current MATLAB instance from Windows Powershell
Try this function addME(a, b) fprintf("sum a + b equals %.2g\n", a + b) end Then from powershell (assuming your PS insta...
2 maanden ago | 0
What equivalent MATLAB commands plots PDF of data like 'hist' command plots histogram of data.
Something like this should work: data = normrnd(10,1,100,1); pd = fitdist(data, 'Normal'); x_values = 5:0.1:15; y_values = p...
3 maanden ago | 0
scatter plot data that meet a condition
% some random values A = randi([0, 100], 8, 2000); F = randi([0 1], 8, 2000); F = logical(F); % convert your flag to logical ...
3 maanden ago | 1
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How to calculate for significant difference between Cohen's Kappa values?
You can build confidence intervals around your Kappa values, and then see if they overlap.
3 maanden ago | 0
How to know which distribution is BCa method form bootci assuming my data follows
To my understanding BCa tries to correct for bias and skewness (acceleration, calculated from jackknife sampling) in the distrib...
3 maanden ago | 1
Is there a way to turn off the scale over the graph
h = gca; h.Box = 'on'; h.XAxis.TickLength = [0 0];
3 maanden ago | 0
| accepted
