How can data gradually be exported to an Excel file?
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Erik Näslund
am 14 Jul. 2019
Kommentiert: Erik Näslund
am 14 Jul. 2019
I am having/creating several workspaces of different recorded data, representing a function (called RS). At four different occasions data/blood samplings were done at different times (”a”, ”b”, ”c” and ”d” respectively). Via a ”input”-function I can assign the current times to respective data sampel. After that, I create a +/- 15 s interval of each data sampel and calculate the mean.
a = input('seconds:');
b = input('seconds:');
c = input('seconds:');
d = input('seconds:');
% Determine the different intervals and mean-values:
ai = (a-15:a+15)
bi = (b-15:b+15)
ci = (c-15:c+15)
di = (d-15:d+15)
mai = mean(RS(ai))
mbi = mean(RS(bi))
mci = mean(RS(ci))
mdi = mean(RS(di))
Is there a way, to export the data to an Excel spreadsheet, with the name of the different workspaces in column 1 and the different mean-values in columns 2 to 4, and every time the code is run a new row is added with the current values?
I hope someone can help me! Thank you
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Image Analyst
am 14 Jul. 2019
Bearbeitet: Image Analyst
am 14 Jul. 2019
You could just read in the existing worksheet and find out the last row:
if isfile(filename)
% Read in existing file to get its last row.
[numbers, strings, raw] = xlsread(filename);
[rows, columns] = size(raw);
else
% File doesn't exist yet.
rows = 0;
columns = 0;
end
then when you make up a cell reference, start writing at the next row
nextRow = rows + 1; % Or wherever you want.
cellRef = sprintf('A%d', nextRow);
xlswrite(filename, data, worksheetName, cellRef);
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