[R] Connecting points over missing observations in Lattice

[Allan Sikk]

I'd like to keep all observations for y1...

>>
>> I'm trying to plot connected time series of two variables in a
>> lattice plot:
>> xyplot(y1 + y2 ~ t,  data=size, type="b")
>>
>> y2 has missing data for some of the observations and some points are
>> therefore not connected. It would make theoretical sense to connect
>> the points - is there a way of doing that?
>
> Can't you just use:
>
>    xyplot(y1 + y2 ~ t, data=size,  subset = !is.na(y2) )
>
>
>> Thanks,
>> Allan
>
> David Winsemius, MD
> Heritage Laboratories
> West Hartford, CT
>
>