average of n values of a dataset in a reverse direction (bottom to up )by using rolling or sliding window ????

Hi, i have one query i have dataset of one column and i want to take average of every n values in a reverse direction (bottom to up) by using rolling/sliding window. can you please help me how can i do that

thanks

Answer 1

[KSSV]

n = 100 ;
idx = 1:n ;

A = fliplr(idx) ;
nt = 5 ;    % every nth value average 
ind = reshape(1:n,nt,[])' ;
A(ind)

To get average use mean. Read about mean