MATLAB: How to join matlab datasets with different variable names

join;merge

Dear all,

I would like to join matlab datasets to a single dataset in matlab. The individual datasets have different variables. I tried using the join function however it says Undefined function 'join' for input arguments of type 'double'. The matlab files are datasets containing observation ( numeric values) and variable names.

atajoined = join(time,v100,v40,d40,d90,'Type','rightourer','MergeKeys',true)
Undefined function 'join' for input arguments of type 'double'.

Best Answer

Your variable "time" is not the result of a dataset() call. (Example of join() in documentation)

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MATLAB: How to pass the name of a file to a function – dataset

Two things:

1) Apparently the file tryB.m is not saved on your ML path. Add the folder it's in to the path

2) inputname will use the name of the variable passed in, not it's value. So instead call tryB with the filename and use X

tryB('test1.xlx')

And inside of tryB:

data=dataset('xlsfile',X);  
doc function %for more information

MATLAB: Merging two structures using join()

Do you mean join, which is part of the Statistics Toolbox and operates on dataset arrays?

Best Answer

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MATLAB: How to pass the name of a file to a function – dataset

MATLAB: Merging two structures using join()

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