Importing data from a large CSV file based on a particular criteria
3 views (last 30 days)
Show older comments
Hi Everyone!
Can u tell how to import data from an excel sheet based on conditions while using importdata.
My problem is the file size is too big for import. If I use entire selection, my laptop runs out of memory.
Or whenI load the data using import function, how do I filter it based on a condition and then import it as a table or matrix?
The structure of my file is as follows, I want rows related to a particular date only to be imported.
ID_frame TimeStamp MAC ID RSSI Vendor cod sync DeviceID
1 23-05-2019 12:34 e6aa4f2224ee98e98 -78 Unknown SmartPhone 0 1.91E+13
2 23-05-2019 12:34 f7af897c07bf765a9 -90 Unknown SmartPhone 0 1.91E+13
3 23-05-2019 12:35 e6aa4f2224ee98e98 -69 Unknown SmartPhone 0 1.91E+13
4 23-05-2019 12:35 f7af897c07bf765a9 -88 Unknown SmartPhone 0 1.91E+13
5 23-05-2019 12:36 24cb3474f61a53bac -89 Bluegiga Technologies OY Uncategorized 0 1.91E+13
6 23-05-2019 12:36 e6aa4f2224ee98e98 -85 Unknown SmartPhone 0 1.91E+13
2 Comments
Konrad
on 12 Jan 2022
Hi,
would saving the excel sheet as a csv file be an option? Then you could open the file with fopen(), read line by line and keep only matching lines.
Answers (0)
See Also
Categories
Find more on Data Import and Analysis in Help Center and File Exchange
Community Treasure Hunt
Find the treasures in MATLAB Central and discover how the community can help you!
Start Hunting!