[R] Logic operators...more than one??

David Doyle kyd@viddoyle @ending from gm@il@com
Thu Oct 4 01:03:31 CEST 2018

I'm sure this is a simple question but I'm not sure where to find the

I want to remove some of the data.  For example when my Location column is
MW-09, MW-10, or MW-11.

It works fine if I ONLY list ONE of the locations as in:

SampledWells <- MyData[ MyData$Location != "MW-09", ]

But if I try to do more than one (as shown below), I don't get an error but
I also don't get my SampledWells
SampledWells <- MyData[ MyData$Location != "MW-09", "MW-10", ]


Thank you for your time

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