(The regression is incorrect from econometric point of view,

just to give an easily reproducible example)

open /usr/local/share/gretl/data/misc/denmark.gdt

ols LRM const LRY

dw=$dwpval

(here Durbin-Watson = 0.298798)

From script output:

? dw=$dwpval

Imhof integral gave negative value

Error executing script: halting

> dw=$dwpval

May be it worth to include into the function

something like this:  if dw<dw0  pvalue<e-N for some N?

!

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