Split the data into group then graph them

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I have a big matrix as
[ENPV, SD, R];
I would like to split R into 3 groups based on criteria as
Group 1 when R is between [0 10]
Group 2 when R is between [11 20]
Group 3 when R is between [21 30]
Then, I want to draw them.
I tried something as below but did not work
[counting,group] = hist(R,3);
G = findgroups(R,group)
figure
gscatter(SD, ENPV, G)
Anyway to help wtih this please.

Accepted Answer

Star Strider
Star Strider on 10 Feb 2020
If you have R2015a or later, the discretize funciton may do what you want:
group = discretize(R, [0 10 20 30]);
  2 Comments
Yaser Khojah
Yaser Khojah on 10 Feb 2020
Thank you so much anywya, I can change the maker size in the gscatter?
Star Strider
Star Strider on 10 Feb 2020
As always, my pleasure!
See the siz section in gscatter documentation.

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