Getting row id of data
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I have a large data set of over 22 lac rows. This data comprises of 251 zones in Washington and out of these zones I am interested in only 30 zones. I used groupsummary to get the frequency of occurance of the a specific zone.
groupsummary(data,"PickupZone")
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/1022205/image.png)
Now I want to get the row id of a specific PickupZone, for that I require some help on how to get the row id of every occurance of Astoria.
Then I will use that row id to assign a new variable in table for the regions comprising of those zones.
Answers (1)
KSSV
on 5 Jun 2022
Let T be your table. And you want to seperate Astoria from T into another table T1.
idx = strcmp(T.PickupZone,'Astoria') ;
T1 = T(idx,:) ;
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