Reading txt files and getting maximum values with characters and numbers

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BENJAMIN BUCHDA 2021-2-23

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https://ww2.mathworks.cn/matlabcentral/answers/753314-reading-txt-files-and-getting-maximum-values-with-characters-and-numbers

评论： BENJAMIN BUCHDA 2021-2-23

SampleDataset02.txt

I am trying to write a function that takes a txt file with names of individuals and their age and income, and with that information find the richest young person and richest old person within the file. I have have approached the problem at difference directions, reading each individual line, making it into a table but I am struggling on even approaching this. Can tips or advice from someone much better at Matlab than me? any help would be appreciated.

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Walter Roberson 2021-2-23

readtable() should read the data easily, but I don't know what "richest young person" means.

BENJAMIN BUCHDA 2021-2-23

Walter, apologizes I meant that I am suppose to find the youngest person in the txt file and within the range of youngest people, who of them makes the most money. Example the youngest age in the file is 21, then out of all the people that are 21, Augusta Gurdian makes the most money. That's what I meant.

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Answer 1

Walter Roberson 2021-2-23

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https://ww2.mathworks.cn/matlabcentral/answers/753314-reading-txt-files-and-getting-maximum-values-with-characters-and-numbers#answer_630639

在 MATLAB Online 中打开

Example:

T = table(randi(4,20,1), randi(99,20,1))
T = 20x2 table
Var1Var2________

     34 
     98 
     47 
     78 
     49 
     50 
     38 
     86 
     85 
      6 
     39 
     46 
     17 
     94 
     24 
     72 
min1 = min(T{:,1});
T(T{:,1}==min1,:)
ans = 7x2 table
    Var1    Var2
    ____    ____

     98 
     49 
     50 
     38 
      6 
     94 
     76 