Deleting rows that do not contain the state code i want.

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Leulaye Maskal
Leulaye Maskal 2021-11-17
评论： Image Analyst 2021-11-18
I have attached an excel with 3 columns aid, date, and mean. Each aid is code for a US state.
I want to cut out all rows that do not contain the following aid's
aid0045
aid0024
aid0046
aid0019
aid0038
aid0031
aid0041
aid0013
aid0042
aid0043
aid0030

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采纳的回答

Leulaye Maskal
Leulaye Maskal 2021-11-18
it worked thanks!! I assume I can use it to now pull out individual "aid's" like just 0045??
  1 个评论
Image Analyst
Image Analyst 2021-11-18
Yes you can. Just alter keeperStrings to be whatever you want. Since it worked, can you click the "Accept this Answer" on my Answer (not yours)? Thanks in advance.

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更多回答（1 个）

Image Analyst
Image Analyst 2021-11-17
Try this:
% Read data into a table.
t = readtable('NPP_STATES_YRLY_MEAN.xls')
% Define "aid" strings that we want to keep/extract.
keeperStrings = {...
'aid0045'
'aid0024'
'aid0046'
'aid0019'
'aid0038'
'aid0031'
'aid0041'
'aid0013'
'aid0042'
'aid0043'
'aid0030'}
% Find out the rows where the keeper strings live.
rowsToKeep = ismember(t.aid, keeperStrings)
% Extract only those specific rows.
t2 = t(rowsToKeep, :)

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