filter cell array with strings
Try to work with tables, they're more versatile. Also check groupfilter for more advanced filtering schemes. tab = array2table(...

2 years ago | 0

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Merging rows of a matrix into a number

2 years ago | 1

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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',...

2 years ago | 0

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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...

2 years ago | 1

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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...

2 years 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

2 years 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. ...

2 years 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 -...

2 years 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: ...

2 years 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('*....

2 years ago | 1

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]; [~, ...

2 years ago | 0

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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...

2 years ago | 1

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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 years 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 years 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...

2 years 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 ...

2 years 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.

2 years 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...

2 years ago | 1

Is there a way to turn off the scale over the graph
h = gca; h.Box = 'on'; h.XAxis.TickLength = [0 0];

2 years ago | 0

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Standard Error for bivariable zscore normalized regression
And why is it surprising to you? You can read about how coefficients and their SE are calculated in linear regression. Standard...

2 years ago | 0

I have a table where each entry is a word/sentence. How do I count how many times a word shows up?
Check out groupsummary: gender = {'male', 'female', 'male', 'male'}.'; dogorcat = {'dog', 'cat', 'dog', 'dog'}.'; T = table(g...

2 years ago | 1

How can i change the linestyle in the parcorr function?
This should work: [~, ~, ~, h] = parcorr(randn(1000, 1)); set(gca,'YTick',[-0.3 0 0.5 1 ]) title('PACF Offshore') ylabel('pa...

2 years ago | 1

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Shifting the first element of an array to the end
a = 1:4; circshift(a, 1)

2 years ago | 1

stepwiselm() function is not taking the last column of table as Response variable
The issue stems from variable Timestamp, which is of class datetime. You need to first convert it to numeric type: data = readt...

2 years ago | 1

Floating bar graphs with characters and numerical data
What about this? tags = ["Al", "Ti", "Nb", "Co", "Mo"]; ranges = [0.01 0.58; 0.76 1.95; 5 5.61; 0 1; 2.63 3.11]; h = gca; h....

2 years ago | 0

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Counting number of words and their characters
Maybe this help txt = ["Why MATLAB doesn't offer much for data science?"; "Python and R beat MATLAB in ML"]; voc = tokenizedDo...

2 years ago | 0

How to combine multiple sheet in an excel file in to a single sheey
Follow this example: file = "test.xlsx"; % replace your file name names = sheetnames(file); data = table; for i = 1:numel(...

2 years ago | 0

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