Filter löschen
Filter löschen

Strings: delete rows with empty values

34 Ansichten (letzte 30 Tage)
Matthew Tyler Jeffries
Matthew Tyler Jeffries am 25 Feb. 2019
Kommentiert: Stephen23 am 14 Jul. 2020
I have a very large string array (part of it is shown below), and sometimes the secound column contains "empty" values. I would like to delete each row whose second column is empty.
"laterite-00047" "" "zeros(0,1)"
"laterite-00048" "" "zeros(0,1)"
"laterite-00049" "204186,54901" "204186"
"laterite-00050" "204186,54901" "54901"
"laterite-00051" "" "zeros(0,1)"
"laterite-00052" "204186,54901" "54901"
  2 Kommentare
madhan ravi
madhan ravi am 25 Feb. 2019
attach part of your string array as .mat file
Stephen23
Stephen23 am 14 Jul. 2020
For a string array the correct method to way to cound the number of characters is to use strlength:

Melden Sie sich an, um zu kommentieren.

Akzeptierte Antwort

madhan ravi
madhan ravi am 25 Feb. 2019
a(~any(cellfun('isempty',a),2),:) % where a is your string array
  2 Kommentare
madhan ravi
madhan ravi am 25 Feb. 2019
Alternative (faster):
a(~strcmp(a(:,2),""),:)
Aishwarya Venkatesh
Aishwarya Venkatesh am 14 Jul. 2020
if i want to remove columns containing all empty values in the string. Then how this can be modified?

Melden Sie sich an, um zu kommentieren.

Weitere Antworten (0)

Kategorien

Mehr zu Characters and Strings finden Sie in Help Center und File Exchange

Community Treasure Hunt

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

Start Hunting!

Translated by