How can I get rid of outlier data in matlab?

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Ege Gurtan
Ege Gurtan 2017-8-28
回答： KSSV 2017-8-28
My thermocouple measures temperature in a room. However sometimes it acts weirdly and suddenly it rises from 24 to numbers like 10000.
A= [23.4 24 10000 23.7 24.1 17989]
I want to replace the terms like 10000 and 17989 with their previous neighbour element. Like;
A= [23.4 24 24 23.7 24.1 24.1]
However there are 500 of them. I need a script that makes that automatically for me. For instance a script that finds these "absurd" data and replace it with the previous "non-absurd" neighbour element.

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KSSV
KSSV 2017-8-28
A= [23.4 24 10000 23.7 24.1 17989] ;
absurdval = 100 ;
idx = find(A>absurdval) ; % Here any record greater thn 100 is absurd
A(idx) = A(idx-1) ;
In the above nay value greater then 100 will be replaced by it's previous value. YOu can fix your absurd value.

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