### Name: ts.union
### Title: Bind Two or More Time Series
### Aliases: ts.union ts.intersect
### Keywords: ts

### ** Examples

ts.union(mdeaths, fdeaths)
cbind(mdeaths, fdeaths) # same as the previous line
ts.intersect(window(mdeaths, 1976), window(fdeaths, 1974, 1978))

sales1 <- ts.union(BJsales, lead = BJsales.lead)
ts.intersect(sales1, lead3 = lag(BJsales.lead, -3))