[Rd] (PR#7152) Ops.ts returns non-ts object for univariate operations

[Gabor Grothendieck]

 <jpalmucci <at> machineinsight.com> writes:

: However, I was expecting !x to return a time series, just like the 
: binary logical operators do.
: 
: For example:
: 
:  > b <- ts(1:10) > 5
: 
:  > b | !lag(b)
: Time Series:
: Start = 1
: End = 10
: Frequency = 1
:  [1] TRUE TRUE TRUE TRUE TRUE TRUE TRUE TRUE TRUE TRUE

As a workaround you could use the fact that xor(b, TRUE) negates b yet 
remains a ts object.