Extract from a table based on a non numerical input
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Patrick Lonergan on 15 Jul 2021
Answered: Cris LaPierre on 15 Jul 2021
I am simply trying to create a table for each of the machine IDs.
I want to extract all rows in the collumn that have the same machine ID. If it was numerical I would simply use some logic but I am unable to and the ('==') function does not work
I want to extract the rows based on collumn one (SAPID). A screenshot of the table can be seen below. The inputs in collumn one are of the form similiar to XXX01X01.
Cris LaPierre on 15 Jul 2021
What is the error message you are getting? Please share the full error message (all red text).
If your syntax is correct, it should work. See how to access data in a table page here.
% Set up table
SAPID = ["WDS01A04";"WDS01A04";"WDS01A05"];
TimeStamps = datetime(2019,01,01)+hours(0:2)';
ActPower_Value_mean = [3608;3608;3608];
NacelTmp_Value_mean = [32;32;32];
ConvTmp2_Value_mean = [45.0229;45.1712;45.2676];
dataT = table(SAPID,TimeStamps,ActPower_Value_mean,NacelTmp_Value_mean,ConvTmp2_Value_mean)
% Extract just rows with SAPID of "WDS01A04"
mchn1 = dataT(dataT.SAPID=="WDS01A04",:)
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