Data set must contain at least 3 samples when Using findpeaks()
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When the below code was used with a different set of data, it worked fine but when I use a different set, it gives the following error:
Data set must contain at least 3 samples.
There is more than enough data (over 1 million) so this shouldn't be a problem. How should I go about fixing this?
start_time = filteredTT.x(1);
end_time = filteredTT.x(end);
interval = minute(1);
idx1 = start_time;
breathingRate = [];
time = [];
while idx1 < filteredTT.x(end)
range = timerange(idx1, "minutes");
data = table2array(filteredTT(range,:));
timeperiod = (filteredTT.x(range));
[pks, loc] = findpeaks(data, timeperiod, "MinPeakDistance", seconds(3));
numOfPeaks = size(pks,1);
breathingRate(end+1) = numOfPeaks;
idx1 = idx1 + minutes(1);
end
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Walter Roberson
2022년 5월 24일
you would get that if there is any location in the data with fewer than 3 entries in the same minute.
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