how to find an empty row in a table

106 visualizaciones (últimos 30 días)
tiwwexx
tiwwexx el 21 de Jun. de 2019
Comentada: Gabor el 4 de Mzo. de 2021
Hello, I'm trying to get rid of a certain row in a single column table that only has a []. for example if I have a table.
column 1
row1 | 'hey' |
row2 | 'hey' |
row3 | [ ] |
how can I get it to be
column 1
row1 | 'hey' |
row2 | 'hey' |
I have a code that works but for larger tables it's extreemely slow.
yee = "original table";
yee1=table;
for n=1:numel(yee)
if isa(yee{n},'char')
bus=yee(n);
yee1 = [yee1 ; bus];
end
end
I feel like there's a lot more efficient ways to do this. Thanks for any help!

Respuesta aceptada

Matt J
Matt J el 21 de Jun. de 2019
Editada: Matt J el 21 de Jun. de 2019
loc=cellfun('isempty', yourTable{:,'column1'} );
yourTable(loc,:)=[]
  3 comentarios
Gabor
Gabor el 4 de Mzo. de 2021
Editada: Gabor el 4 de Mzo. de 2021
It is a table and a column contains numbers instead of strings and this is the error I get:
Error using cellfun
cellfun works only on cells.
Gabor
Gabor el 4 de Mzo. de 2021
For me it works if I convert the table to cell and I use the column number in the script:
yourTable2=table2cell(yourTable);
loc=cellfun('isempty', yourTable2{:,1} );
I hope it helps someone.

Iniciar sesión para comentar.

Más respuestas (1)

Guillaume
Guillaume el 21 de Jun. de 2019
Even simpler, and probably faster, use the table tools (rather than cell array tools):
yourtable = rmmissing(yourtable)
  1 comentario
Matt J
Matt J el 21 de Jun. de 2019
Editada: Matt J el 21 de Jun. de 2019
Unfortunately, rmmising doesn't seem to recognize the empty matrix [] as a missing data marker, so the table would have to be reformatted.

Iniciar sesión para comentar.

Categorías

Más información sobre Array Geometries and Analysis en Help Center y File Exchange.

Etiquetas

Productos


Versión

R2019a

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!

Translated by