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Why am I getting an error when trying to linear index into my table?
>> load patients
>> T = table(Gender,Smoker,Height,Weight);
>> T(:,4)(T.Smoker==1)
Error: ()-indexing must appear last in an index expression.

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 采纳的回答

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The syntax being used is trying to index into a table that has already been indexed into. Instead, index only once to get the desired behavior:
>> T(T.Smoker==1, 4)
Alternatively, this can be broken up into two lines of code:
>> temp = T(:,4);
>> temp(T.Smoker==1,:)

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