How to covert rownames to the first variable in the table?

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monkeyquant
monkeyquant 2023-1-25
回答： Star Strider 2023-1-25
I have a table with rownames (nuemric value) and want to convert it to a table with a newly added variable from the rownames.

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Star Strider
Star Strider 2023-1-25
Ran in:
Try something like this —
T1 = array2table(randi(9, 5, 5));
T1.Properties.RowNames = {'1','2','3','4','5'} % Create Table With Row Names
T1 = 5×5 table
Var1 Var2 Var3 Var4 Var5 ____ ____ ____ ____ ____ 1 2 8 8 8 3 2 1 3 8 8 7 3 5 8 5 5 7 4 9 3 1 2 1 5 2 5 1 7 2
RN = T1.Properties.RowNames % Get Row Names
RN = 5×1 cell array
{'1'} {'2'} {'3'} {'4'} {'5'}
T1 = addvars(T1, cell2mat(RN), 'Before','Var1') % Convert Row Names To First Variable
T1 = 5×6 table
Var1_1 Var1 Var2 Var3 Var4 Var5 ______ ____ ____ ____ ____ ____ 1 1 2 8 8 8 3 2 2 1 3 8 8 7 3 3 5 8 5 5 7 4 4 9 3 1 2 1 5 5 2 5 1 7 2
T1.Properties.RowNames = {} % Delete Original Row Names
T1 = 5×6 table
Var1_1 Var1 Var2 Var3 Var4 Var5 ______ ____ ____ ____ ____ ____ 1 2 8 8 8 3 2 1 3 8 8 7 3 5 8 5 5 7 4 9 3 1 2 1 5 2 5 1 7 2
.

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