error using the join function
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FinalData = join(All,M4,'Keys','ID','Year');
% I want to join All and M4 based on the common variables ID and Year. I want all columns of All and the additional columns of B when there is a match based on ID and Year. I am receiving an error :
Error using tabular/join Wrong number of arguments.
What went wrong?
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Antworten (2)
Stephen23
am 21 Aug. 2023
Bearbeitet: Stephen23
am 21 Aug. 2023
"What went wrong?"
You need to provide multiple key names as one input argument, not as two separate input arguments. This means simply providing the key names as character vectors in a cell array:
FinalData = join(All,M4,'Keys',{'ID','Year'});
% ^ ^
This is explained in the JOIN documentation:
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Dyuman Joshi
am 21 Aug. 2023
The corrext syntax is -
FinalData = join(All,M4,'Keys',{'ID','Year'});
%or
FinalData = join(All,M4,'Keys',["ID","Year"]);
If after making this correction, you still get an error, please attach your code (using the paperclip button) and copy and paste the full error message (i.e. all of the red text)
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