[Gretl-devel] small bug with const series

Allin Cottrell cottrell at wfu.edu
Thu Mar 20 16:27:45 EDT 2014


On Thu, 20 Mar 2014, Ignacio Diaz-Emparanza wrote:

> A colleague here tried to do this (please don't ask why):
>
> series c1 = const - 0.9*const(-1)

We don't need to ask -- whoever dreamt this up either has a severe 
comprehension problem or just wanted to see what would happen when you 
torture gretl ;-)

> obtaining this strange result:
>
>               c1
>
> 1959
> 1960       0.1000
> 1961    0.9100000
> 1962    0.1810000
> 1963    0.8371000
> 1964    0.2466100
> 1965    0.7780510
> 1966    0.2997541
> 1967    0.7302213
> 1968    0.3428008
> 1969    0.6914793

Not only that, but after this exercise "const" is messed up. In this 
instance gretl did not pass the torture test. We'll fix that shortly.

Allin


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