I'd suggest you read the documentation on Fstats by typing

? Fstats

in your R window. You'll note that from/to are not "time" arguments but
rather indices of the object being passed in. This is the source of your
problem: the documentation also suggests that if you pass from a two-value
vector it will work with it as a time series. That might be what you are
looking for as well.

Hope this helps,

Michael

On Tue, Sep 13, 2011 at 2:38 AM, Vikram Bahure
<economics.vikram@gmail.com>wrote:

> Hi,
>
> I am new to R. It would be kind if I could get some help on this.
>
> I am using R to estimate Fstats but I am getting following error.  a3 is
> annual GDP  data from 1951 to 2010.
>
> > fs<- Fstats(ecm.model, from=1954, to = 1975,data=a3)
> Error in Fstats(ecm.model, from = 1954, to = 1975, data = a3) :
>  inadmissable change points: 'from' is larger than 'to'
> In addition: Warning message:
> In Fstats(ecm.model, from = 1953, to = 1955, data = a3) :
>  'to' changed (was too large)
>
> Regards
> Vikram
>
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>
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