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I need to calculate unemployment rate for each month for the period from 2020 to 2023. Please advise the best way to do that.
See groupsummary, grpstats, or splitapply. You might also like to learn about findgroups.

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Recognize edges in mosaic-like background - draw horizontal lines and save line coordinates
Try this. (Similar to @Les Beckham's solution but developed before I saw his answer): % Demo by Image Analyst % https://www.m...

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How can I make the image resize without losing quality of image? I need to resize more than original sizes then resize into 512x512.
Any time you resize the image you are going to be changing it. In particular, if you downsize the image, you will lose informat...

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I want to find the width of a line...how to do?
Not sure what you're calling a line? Is it the one short little one-pixel-wide green line? Or do you want the widths of the ir...

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MATLAB code for extracting temperature value from BMP format image followed by background removal
See my thermal demo.

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Plotting droplet size distribution from spray image
We might be able to help if the droplets are all separated in your image. I have worked on several spray problems in the past. ...

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How can I add a detail on a curve ?
In general, the concept is the same as your other question -- it doesn't matter if the curves are different or not. Basically y...

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Webcam Package Not Working
Did you install the webcam package from the Add-ons button on the tool ribbon?

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ImageDataStore and tall array, How to use to save Labels and 4D Matrices in for loop?
Cell arrays are very inefficient compared to regular numerical arrays. They use a lot more memory. You could even use single i...

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Help me to do difficult tasks in MATLAB
To learn other fundamental concepts, invest 2 hours of your time here: MATLAB Academy - Free 2 hour training To get a movi...

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I want to separate the RGB components(as R,G,B) of a color image also showing its histogram each. And then compare each histogram(of R,G,B) of a query image with each histogram of the database image respectively. i need a code for this plz.
See attached demo.

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Rotate an object based on regionprops Orientation - explanation
The "angle" of an irregularly shaped object is not a clear cut definition. As you can imagine, the angle you get from the max F...

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How to performed statistical calculations
I suggest you look in the help for those terms and you'll find functions such as rms, rmse, mad, etc. Or you can look at Wikipe...

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How to get centerline of binarized image?
Use bwskel to get the centerline. If you don't like what it does near the corners then you can get the top and bottom boundary ...

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problem axis "x" in my graph
It automatically adds x tick labels and sometimes they are not exactly what your x vector was. If you want to specify exactly w...

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Help with axes labels on histogram plot
You're manually telling it to do just one tick label. Let it do it automatically and you'll get them. Get rid of the calls to ...

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Get rid of gray border around axes in app designer
Try making the control larger. You may have to adjust the Position property of the control to make the left edge and top edge n...

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issue with Installing Offline Documentation
Just simply call the Mathworks on the phone tomorrow and talk to a real live person and have them walk you through it. https://...

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How to make my graph longer?
Instead of osx, just use yline yline(0, 'Color', 'y', 'LineWidth', 3);

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I don't know how to fix this error within my code.
You said "I just hit the "run" button. " Well, that's the problem. You can't do that because it will have no idea what to use ...

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MATLAB code for the expression 1*sin(2*pi*14*t) + 7*cos(2*pi*16*t) + 4*cos(2*pi*10*t)
This looks like a homework problem. If you have any questions ask your instructor or read the link below to get started: How d...

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How to assign a mean of a variable to every year ?
Like @Stephen23 said, you can use groupsummary. Other options are splitapply and grpstats. Let us know if you can't figure it ...

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Entry and exit points / trajectories through a rectangle (orbits)
Basically if you have the x and y of the trajectory, and the x and y of the sides, then you simply need to use interp1 to find w...

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Removing the background from imagesc image.
You just need to either adjust the colormap, or overlay an RGB image onto your original image. See How to overlay a foreground...

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Hello, I've been working on identifying the center point of images similar to the ones I've attached. I've tried using cornerHarris detector and various other operations, incl
See attached demos on shape recognition to find vertices. First, extract the red channel and threshold it. Then use imfill to ...

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Unable to perform assignment because the left and right sides have a different number of elements. Error in Assignment1Motorbike (line 139)
x_rd is null in y1d(n) = ( -k1*( x1(n) - 0.9*x2(n) - x_f ) - k2*( x1(n) + 0.9*x2(n) - x_r ) + k3*( x3(n) - x1(n) - 0.4*x2(n...

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separate orange band and violet band from rgb image
There are no "bands" of violet and orange in an RGB image, only a red band, a green band, and a blue band. In fact computers ca...

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How to display skeleton data
Try this: data = readmatrix('human2_normal17_SkeletonData1.csv'); % Plot the first 4 joint skeletons. PlotJointNumber(data, 1...

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Unrecognized function or variable
Please post your code or attach it. There is no "For" in MATLAB. Plus your shown program uses my_structure and n without ever ...

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.m files keep getting corrupted?
Chances are one of your scripts or functions is overwriting them without you being aware of it. Can you do anything to reproduc...

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