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check the condition and assign discrete values

Asked by subha on 4 Nov 2013
Latest activity Answered by Image Analyst on 4 Nov 2013

i have converted one dataset into four groups.say my datavalues are in between 0 to 1.

Then i seperated those values as <0.25 ,<0.5 ,<0.75,<1

now i want to assign 0.25 group as value 0, 0.5 group as 1 0.75 group as 2 1 group as 3

can anybody help in this?




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2 Answers

Answer by Azzi Abdelmalek on 4 Nov 2013
Edited by Azzi Abdelmalek on 4 Nov 2013
Accepted answer
[idx,idx]=histc(x,[0.25 0.5 0.75 1])
for k=1:4

1 Comment

subha on 4 Nov 2013

I used quartile method.Also i found probability for each quartile.Now i want to replace each quartile state to 0,1 ,2 ,3 respectively.I didnt use any cell array type

can you give me idea in this case


Azzi Abdelmalek
Answer by Image Analyst on 4 Nov 2013

If you have the Image Processing Toolbox, you could use imquantize().


Image Analyst

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