Correction:
-!missing(x)- and -x < .- are equivalent, as any-non-missing value is
deemed to be less than any missing value. Sometimes, we want to write
-x < .-, just for brevity.
n j cox wrote:
-missing(x)- and -x < .- are equivalent, as any-non-missing value is
deemed to be less than any missing value. Sometimes, we want to write
-x < .-, just for brevity.
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