I have a few questions about timeSeries objects:

1. How can I assign names to individual series in a multivariate object?
I have tried specifying colNames parameter in timeSeries function, but
it had been ignored.

2. How can I merge together several multivariate timeSeries objects, all
having roughly the same dates? The mergeSeries function does something
very different, apparently.

3. The documentation mentions that I need to set the environment
variable TZ to "GMT". I have tried setting TZ, tz, zone and timezone,
but am still getting a lot of warnings about timezone from various
functions. Sys.date says I have GMT set.

4. in timeSeries plot, how can I add a legend? Otherwise plotting a
multivariate timeSeries is pretty useless...

Thanks in advance

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