MATLAB: Helping filling missing data with 0 value

missing value

Hi everyone,
I have a data in the attachment. The left column represents all days from 1 to 365, but it is missing some values. I want to add missing values in the left column and 0 in the right column coresspondingly. Anyone can give me solutions. Thank you

Best Answer

data=importdata('test.txt')
fullList=[(1:365)' zeros(365,1)];
partList=data(:,1);
isPresent=ismember(fullList,partList);
index=1;
missingVal=0;
for iter=1:365
    if isPresent(iter)
        fullList(iter,2)=partList(index);
        index=index+1;
    else
        fullList(iter,2)=missingVal;
    end
end
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