Community Profile # Ive J

Last seen: Today 2013 이후 활성

Computational biologist.

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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]; [~, ...

약 12시간 전 | 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...

약 12시간 전 | 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', '...

20일 전 | 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...

20일 전 | 0

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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...

약 1달 전 | 0

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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 ...

약 1달 전 | 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.

약 1달 전 | 0

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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...

약 1달 전 | 1

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

약 1달 전 | 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...

약 1달 전 | 0

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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...

약 1달 전 | 1

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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...

약 1달 전 | 1

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

약 1달 전 | 1

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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...

약 1달 전 | 1

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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....

약 1달 전 | 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...

약 1달 전 | 0

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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(...

약 1달 전 | 0

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Any efficient way to identify a set of 1s in a big array?
Try this a = [1 1 1 -1 0 0 0 0 1 1 -1 0 0 1 1 1 1 -1 0 0]; astart = [1, 9, 14]; astop = [3, 10, 17]; dda = diff([0, 0, dif...

약 1달 전 | 0

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I have 45x484 matrix but when I calculate coeff pca function, I am getting coeff with 484x44 matrix which causes errors in biplot. Why is the rows and columns switch places?
Well you should find the answer in your problem not MATLAB pca function. You have 45 observations with 484 variables, so degree ...

약 2달 전 | 1

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Extracting specific data from multiple excel files and create a single matrix from those
You can use readmatrix (assuming all values are numeric, otherwise use readtable) or fileDatastore to read those files. Somethin...

약 2달 전 | 1

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Printing a MATLAB table on the console which contains both characters and ints
One simple way is to convert them to categorical, but if you're doing something with that variable, extra care should be taken. ...

약 2달 전 | 0

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Intersect table with Id scattered
If both tables don't share same key ids, you can simply join them as: tOne = table(["x1", "x2", "x3"].', (1:3).', 'VariableName...

약 2달 전 | 0

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Access data from table and assign to variables
This might work tab = table({'Car'; 'Bike'; 'Cycle'}, [50; 20; 5], [2; 1; 0],... 'VariableNames', {'Vehicle', 'speed', 'fu...

약 2달 전 | 0

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Is it possible to use non-image data as inputs for the Deep Network Designer App?
Technically yes you can, I assume something like this would work: dlData = reshape(data', [1, 1, size(data, 2), size(data, 1)])...

약 2달 전 | 0

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Find places before or after zeros in vector
a = [0 0 0 1 1 1 0 0 1 1 1 0 1 1 1 0 1 1 0]; before = [0 0 0 1 0 0 0 0 1 0 0 0 1 0 0 0 1 0 0]; after = [0 0 0 0 0 1...

약 2달 전 | 1

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How many computers can I associate with my educational license?
From Pricing and Licensing under educational license: The products can be activated on up to four different computers, provide...

약 2달 전 | 0

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How to save local variables (which are within a called function)
I don't know what's the use of doing this. But given what you need, you can do something like this: function dydt = vdp1(t,y) ...

약 2달 전 | 0

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how to extract "F-statistic vs. constant model" value for fitnlm programmatically
I don't know if MATLAB has another helper function to fetch F-test stat., but you can extract it with information available in f...

2달 전 | 0

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Replacing certain values in table with NaN based on different conditions
For table, you need to directly access the variable names/column indices. so, T(extremevalues) = NaN; won't work. This may hel...

2달 전 | 0