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How can I run preloaded csv data through a loop?

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Andrea
Andrea 2015-9-15
评论： Jae Song 2015-9-17
% define loaded csv data and other variables
IM_1 = csvread('filename1.csv',2,2,[2,2,214,8]);
IM_2 = csvread('filename2.csv',2,2,[2,2,206,8]);
IM_3 = csvread('filename3.csv',2,2,[2,2,186,8]);
edges1 = 0:1:20;
% loop to create subplots of data
for i = 1:3
sorted_IM_i = IM_i(IM_i(:,1)>3 & IM_i(:,1)<5 , :);
hGi = hist(sorted_IM_i(:,2),edges1);
hNGi = hGi/sum(hGi(:));
figure (1); clf;
subplot(8,1,i)
plot(edges1,hNGi,'r');
end
My data won't enter the loop and I'm not sure how to get the IM_1 to enter the loop first so the rest of the data will go through.

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回答（2 个）

Walter Roberson
Walter Roberson 2015-9-15
Jae Song
Jae Song 2015-9-15
You can put the three variables (IM_1,IM_2,IM_3) into a cell array variable (IM_s) and loop through the cell array variable. Please see the following code example.
% define loaded csv data and other variables
IM_1 = csvread('filename1.csv',2,2,[2,2,214,8]);
IM_2 = csvread('filename2.csv',2,2,[2,2,206,8]);
IM_3 = csvread('filename3.csv',2,2,[2,2,186,8]);
IM_s = {IM_1, IM_2, IM_3};
edges1 = 0:1:20;
% loop to create subplots of data
for i = 1:3
IM_i = IM_s{i} % extract data;for i = 1, IM_1 data
sorted_IM_i = IM_i(IM_i(:,1)>3 & IM_i(:,1)<5 , :);
hGi = hist(sorted_IM_i(:,2),edges1);
hNGi = hGi/sum(hGi(:));
figure (1); clf;
subplot(8,1,i)
plot(edges1,hNGi,'r');
end
  2 个评论
Andrea
Andrea 2015-9-17
The code mentioned above only plots one histogram, instead of 3. Is there a way to fix that?

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