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Combining 12 .csv Files

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Rachel Cox
Rachel Cox el 16 de Nov. de 2022
Respondida: Aritra el 21 de Nov. de 2022
Helllo, I'm trying to combine 12 .csv files into one. They all have the same column titles but are 12 seperate months. We want to be able to plot all of the months in order on one graph.
  1 comentario
Stephen23 el 16 de Nov. de 2022
What have you tried so far?

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Respuestas (1)

Aritra el 21 de Nov. de 2022
Hi Rachel,
As per my understanding, you are trying to combine the data from multiple ‘.csv’ files into a single ‘.csv’ file.To solve this issue, you can use the readmatrix(filename) function for reading column-oriented data from ‘.csv’ files. Next the horzcat(A,B) function can be used for concatenating the matrices horizontally.
Assuming the files are all in the same folder and you have changed your directory to there, try something like:
files = dir('*.csv'); % Get list of files
out = readmatrix(files(1).name,delimitedTextImportOptions('DataLines',[1,Inf])); % First file
for ii = 2:numel(files)
new = readmatrix(files(ii).name,delimitedTextImportOptions('DataLines',[1,Inf])); % Read the nth file
out = horzcat(out,new(:,:)); % Horizontal Concatenation


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