
Hi,

I am trying to do a statistical analysis of a SPSS data set, which has 7 different parameters, 4 of which are Yes/No. 

When I try to select in one of the parameters all the rows with a Yes it always gives me the same error

: object 'Yes' not found

although:

> suburban
   [1] No  No  Yes No  No  Yes No  Yes No  No  No  No  No  No  No  No  No  No 
  [19] No  No  Yes No  Yes Yes No  No  No  No  Yes No  Yes No  No  Yes Yes Yes
  [37] Yes No  No  No  No  Yes Yes No  No  No  Yes No  No  Yes Yes Yes Yes Yes
  [55] Yes Yes No  No  No  Yes No  Yes Yes No  No  No  No  Yes No  No  No  Yes
  [73] Yes Yes No  No  No  No  Yes No  Yes No  No  No  No  No  Yes No  Yes Yes
  [91] Yes Yes No  No  Yes No  Yes No  No  Yes Yes Yes No  Yes No  No  No  Yes

it has a bunch of Yes/No

how can I select these Yes?


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