On Thu, 29 Oct 2015, Sven Schreiber wrote:
Perhaps even with series. 'series s = null' for example could
mean that _all_
of its values would be re-set to NA, which would be different from 'series s
= NA', which AFAIK only applies to the active sample. In this way 'series s =
null' would be equivalent to:
delete s
series s # or series s = NA ?
The latter, methinks.
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Riccardo (Jack) Lucchetti
Dipartimento di Scienze Economiche e Sociali (DiSES)
Università Politecnica delle Marche
(formerly known as Università di Ancona)
r.lucchetti(a)univpm.it
http://www2.econ.univpm.it/servizi/hpp/lucchetti
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