Import multiple CSV files then use a loop to find the peaks in each

Question

Boris Chan 2018-11-20

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https://ww2.mathworks.cn/matlabcentral/answers/430885-import-multiple-csv-files-then-use-a-loop-to-find-the-peaks-in-each

评论： Stephen23 2018-11-20

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Hi,

I need to import about 60 csv files with 10002x3 in each, then plot the peaks for each one of them

I tried this

d = dir('*.csv'); 
for i = 1:length(d)
   data{i} = csvread(d(i).name); 
end 

but It didn't work just says error in line with the data{i}

I tried importing a couple manually but I realized it made them into seperate variables and it woulldn't be easy to loop them.

for i = 0:30
    xx{i} = x600_i{:,1}; 
    yy{i} = x600_i{:,3}; 
end 

where all my variables are named x600_0-10

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KSSV 2018-11-20

What error it showed? How is your csv file?

Stephen23 2018-11-20

"but It didn't work just says error in line with the data{i}"

And is that helpful error message going to remain a secret, or are you going to tell us the message so that we can actually help you? Please give us the complete message text. This means all of the red text.

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Answer 1

madhan ravi 2018-11-20

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https://ww2.mathworks.cn/matlabcentral/answers/430885-import-multiple-csv-files-then-use-a-loop-to-find-the-peaks-in-each#answer_347920

编辑：madhan ravi 2018-11-20

在 MATLAB Online 中打开

xx{i}=sprintf('x600_i{:,1}',i) %where i is from 0 - 10

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Import multiple CSV files then use a loop to find the peaks in each

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Import multiple CSV files then use a loop to find the peaks in each

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