How to remove rows of empty strings?

I have a string array which I have preallocated as follows:
BusName = strings(MaxB,NumBVF,1);
After reading in the data, my string array has many empty rows at the end.
So my question is: How do I remove all rows that consist entirely of blank strings ("")?
Here is what I've come up with so far:
BusName(strcmp(BusName(:,2),""),:) = [];
Unfortunately, it is removing rows that it shouldn't be (rows that have "" but also data).
Any suggestions (and explanation) will be greatly appreciated!

3 comentarios

the cyclist
the cyclist el 30 de Oct. de 2019
Can you upload BusName in a mat file?
Calvin Ewanchuk
Calvin Ewanchuk el 30 de Oct. de 2019
Never uploaded a file here before, but here goes
the cyclist
the cyclist el 30 de Oct. de 2019
Editada: the cyclist el 30 de Oct. de 2019
Your upload worked! (And my solution works on your input.)

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Respuestas (2)

the cyclist
the cyclist el 30 de Oct. de 2019
Editada: the cyclist el 30 de Oct. de 2019
I'm having trouble following the logic in the command you posted, because you seem to be checking only the second column of Busname.
But I'm pretty sure you'll want to use the all command to get the rows where all the elements are blank.
I think it would be something like
BusName(all(strcmp(BusName,""),2),:) = [];

1 comentario

Calvin Ewanchuk
Calvin Ewanchuk el 30 de Oct. de 2019
Editada: Calvin Ewanchuk el 30 de Oct. de 2019
Sorry, I'm kinda new to MATLAB. I'll try your code.
Yes, I want to delete the rows where all the strings are blank (""). I just can't figure out the syntax.

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Walter Roberson
Walter Roberson el 30 de Oct. de 2019
Editada: the cyclist el 30 de Oct. de 2019
BusName = rmmissing(BusName, 'MinNumMissing', size(BusName,2));

2 comentarios

Calvin Ewanchuk
Calvin Ewanchuk el 30 de Oct. de 2019
I don't think this will work since the data is blank ("') but not <missing>.
the cyclist
the cyclist el 30 de Oct. de 2019
Yeah, does not work on your string array.
(Walter, my edit of your answer was just to fix up 'MinMissing' to 'MinNumMissing').

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