Function for visualisation of raw data -Ovarian cancer

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Cutie
Cutie 2023-4-29
评论： Walter Roberson 2023-4-30
Ran in:
I want to a 'plot' function to effectively visualise the ovarian cancer data inbuilt in MATLAB.
load ("OvanrianCancer.mat")
Error using load
Unable to find file or directory 'OvanrianCancer.mat'.
The variable X (a 4000 by 216 matrix containing 4000 gene expression from 216 patients with and without ovarian cancer) is what I want to visualisation in its raw form to get an insight of its patterns. I intend to use a modal decomposition algorithm to analyse and re-construct it.
I have tried different 'plot' function but the results are awlful. I guess it's me not using the right 'syntax' or commands.
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回答（1 个）

Image Analyst
Image Analyst 2023-4-30
Ran in:
Try this:
load('OvarianCancer.mat')
plot(X, '-');
grid on;
Do you want to make a model of it? Do you have any ground truth for the data?
  2 个评论
Cutie
Cutie 2023-4-30
i did this plot function before but the confusion is that the visuals are too small to make insights from. I use semilogy.
I am analysing the data using a modal decomposition algorithm. My model is to be able create a reconstructed replica of the original data (with its patterns/structures).
Maybe, some 'manipulation' ideas to perfect the plot functions can help. e.g setting the limits.
Walter Roberson
Walter Roberson 2023-4-30
You have over 800000 data points of floating point values that you are asking to draw in a single graph that probably is only about 1000 pixels + borders wide. It is not obvious to me that you can have any possible meaningful visualization — not unless you are doing some kind of summary like histogram.

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