# Merging tables with partly the same column names, but sometimes different dimensions

조회 수: 25 (최근 30일)
James Johnson 2022년 12월 21일
편집: Bora Eryilmaz 2022년 12월 21일
Hi,
I have two tables with partly the same variable names. I want to merge these together and put them underneath each other, with all values of each variable under each other and empty cases for variables that are not present in the one table.
How can I do this?
Thank you!

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### 채택된 답변

Bora Eryilmaz 2022년 12월 21일
편집: Bora Eryilmaz 2022년 12월 21일
This seems like a table (outer) join problem. Take a look at: https://www.mathworks.com/help/matlab/ref/table.outerjoin.html
Tleft = table({'a' 'b' 'c'}', [1 2 3]', 'VariableNames', {'Key1' 'Var1'})
Tleft = 3×2 table
Key1 Var1 _____ ____ {'a'} 1 {'b'} 2 {'c'} 3
Tright = table({'a','b','d'}', [4 5 6]', 'VariableNames', {'Key1' 'Var2'})
Tright = 3×2 table
Key1 Var2 _____ ____ {'a'} 4 {'b'} 5 {'d'} 6
T = outerjoin(Tleft, Tright, 'MergeKeys', true)
T = 4×3 table
Key1 Var1 Var2 _____ ____ ____ {'a'} 1 4 {'b'} 2 5 {'c'} 3 NaN {'d'} NaN 6

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