Thanks Allin, that clinches it:
Read datafile /usr/local/share/gretl/data/misc/denmark.gdt
Model 1: OLS, using observations 1975:1-1987:3 (T = 51)
Dependent variable: Y
             coefficient    std. error    t-ratio   p-value
  ----------------------------------------------------------
  const       0.573197      0.457911       1.252    0.2179
  time        0.000288957   0.000360372    0.8018   0.4274
  Y_1         0.800428      0.153400       5.218    5.90e-06 ***
  Y_2         0.120277      0.198738       0.6052   0.5485
  Y_3        −0.0469882     0.180931      −0.2597   0.7964
  Y_4        −0.213941      0.144448      −1.481    0.1464
  X           0.336480      0.104987       3.205    0.0027   ***
  X_1        −0.0594923     0.157019      −0.3789   0.7068
  X_2        −0.430368      0.150459      −2.860    0.0067   ***
  X_3         0.0952069     0.161941       0.5879   0.5599
  X_4         0.181183      0.135096       1.341    0.1874
Mean dependent var   5.959878   S.D. dependent var   0.069523
Sum squared resid    0.015477   S.E. of regression   0.019670
R-squared            0.935959   Adjusted R-squared   0.919949
F(10, 40)            58.46033   P-value(F)           1.11e-20
Log-likelihood       134.1900   Akaike criterion    −246.3801
Schwarz criterion   −225.1300   Hannan-Quinn        −238.2598
rho                 −0.024300   Durbin-Watson        2.002194
Excluding the constant, p-value was highest for variable 10 (Y_3)
C
On 9 December 2016 at 03:47, Allin Cottrell <cottrell(a)wfu.edu> wrote:
 On Fri, 9 Dec 2016, Clive Nicholas wrote:
 Thanks Jack,
>
> The reformatting works, but then chokes on
>
> varsim(Y, ARbeta, lX, Xbeta, lD, Dbeta, e,
>>
> The symbol 'e' is undefined
>
> Error executing script: halting
>
>> varsim(Y, ARbeta, lX, Xbeta, lD, Dbeta, e, p, &ysim)
>>
>
> And indeed 'e' is not defined...
>
 You're right, Artur's example does not run as posted. It's not totally
 obvious to me where the missing "e" series is supposed to come from, though
 maybe one should insert
 series e = resample($uhat)
 after the ols command?
 Allin Cottrell
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-- 
Clive Nicholas
"My colleagues in the social sciences talk a great deal about methodology.
I prefer to call it style." -- Freeman J. Dyson