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st: RE: R�p. : st: RE: Non linear least squares program, Stata versions?


From   "Nick Cox" <[email protected]>
To   <[email protected]>
Subject   st: RE: R�p. : st: RE: Non linear least squares program, Stata versions?
Date   Thu, 14 Oct 2004 17:52:18 +0100

In your second program you are declaring, among other 
parameters, XKENWCOOR in your S_1 but initialising 
XKENWCOO to 0. 

XKENWCOOR is thus not initialised and will get 
read by Stata as denoting empty. The result will
probably be the syntax error reported. 

Nick 
[email protected] 

Diego Rei
 
> Thank you Nick. I will just post the two programs.
> The first one is the one that works with Stata 6 but not with Stata8.
> The second one is the one that doesnt work with either. I 
> hope they are not too cumbersome. 
> 
> This works:
> program define nlprogt2
> 	if "`1'" == "?" {
> 		global S_1 "T2 T3 T4 T5 T6 T7 T8 XRRATE 
> XBENEFIT XUNION XEMPRO XALMPHAT XUDEN XT XCOORD AUS AUT BEL 
> CAN DEN FIN FRA GER IRE ITA JAP NET NOR NZ POR SPA SWE SWZ UK USA"
> 		global AUS=0
> 		global AUT=0
> 		global BEL=0
> 		global CAN=0
> 		global DEN=0
> 		global FIN=0
> 		global FRA=0
> 		global GER=0
> 		global IRE=0
> 		global ITA=0
> 		global JAP=0
> 		global NET=0
> 		global NOR=0
> 		global NZ=0
> 		global POR=0
> 		global SPA=0
> 		global SWE=0
> 		global SWZ=0
> 		global UK=0
> 		global USA=0
> 		global T2=0.00
> 		global T3=0.00
> 		global T4=0.00
> 		global T5=0.00
> 		global T6=0.00
> 		global T7=0.00
> 		global T8=0.00
> 		global XRRATE=0
> 		global XBENEFIT=0
> 		global XUNION=0
> 		global XEMPRO=0
> 		global XALMPHAT=0
> 		global XUDEN=0
> 		global XT=0
> 		global XCOORD=0
> 		exit
> 	}
> 	replace `1' = 
> ($XRRATE*`2'+$XBENEFIT*`3'+$XEMPRO*`4'+$XUNION*tunion+$XALMPHA
> T*talmphat+$XUDEN*`5'+$XT*tt+$XCOORD*`6')*($T2*Iperio_2+$T3*Ip
> erio_3+$T4*Iperio_4+$T5*Iperio_5+$T6*Iperio_6+$T7*Iperio_7+$T8
> *Iperio_8)+$T2*Iperio_2+$T3*Iperio_3+$T4*Iperio_4+$T5*Iperio_5
> +$T6*Iperio_6+$T7*Iperio_7+$T8*Iperio_8
> 	replace 
> `1'=`1'+$AUS*Icoun_1+$AUT*Icoun_2+$BEL*Icoun_3+$CAN*Icoun_4+$D
> EN*Icoun_5+$FIN*Icoun_6+$FRA*Icoun_7+$GER*Icoun_8+$IRE*Icoun_1
> 1+$ITA*Icoun_12+$JAP*Icoun_13+$NET*Icoun_17+$NOR*Icoun_18+$NZ*
> Icoun_19+$POR*Icoun_20+$SPA*Icoun_21+$SWE*Icoun_22 
> +$SWZ*Icoun_23+$UK*Icoun_25+$USA*Icoun_26
> end
> 
> set more on
> 
> nl progt2 unr trrate tbenefit tempro tuden tcoord if tshock
> 
> 
> This doesnt:
> 
> program define nlprogt2
> 	if "`1' " == "?" {
> 		global S_1 "T2 T3 T4 T5 T6 T7 T8 XEP XUD XBRR 
> XBD XTW XCBI XKENWCOOR  AUS AUT BEL CAN DEN FIN FRA GER IRE 
> ITA JAP NET NOR NZ SWE SWZ UK USA"
> 		global AUS=0
> 		global AUT=0
> 		global BEL=0
> 		global CAN=0
> 		global DEN=0
> 		global FIN=0
> 		global FRA=0
> 		global GER=0
> 		global IRE=0
> 		global ITA=0
> 		global JAP=0
> 		global NET=0
> 		global NOR=0
> 		global NZ=0
> 		global SWE=0
> 		global SWZ=0
> 		global UK=0
> 		global USA=0
> 		global T2=0.00
> 		global T3=0.00
> 		global T4=0.00
> 		global T5=0.00
> 		global T6=0.00
> 		global T7=0.00
> 		global T8=0.00
> 		global XEP=0
> 		global XUD=0
> 		global XBRR=0
> 		global XBD=0
> 		global XTW=0
> 		global XCBI=0
> 		global XKENWCOO=0
> 		exit
> 	}
> 	replace `1' = 
> ($XEP*`2'+$XUD*`3'+$XBRR*`4'+$XBD*`5'+$XTW*`6'+$XCBI*`7' 
> +$XKENWCOOR*`8')*($T2*ye2+$T3*ye3+$T4*ye4+$T5*ye5+$T6*ye6+$T7*
> ye7+$T8*ye8)+$T2*ye2+$T3*ye3+$T4*ye4+$T5*ye5+$T6*ye6+$T7*ye7+$T8*ye8
> 	replace 
> `1'=`1'+$AUS*ce1+$AUT*ce2+$BEL*ce3+$CAN*ce4+$DEN*ce5+$FIN*ce6+
> $FRA*ce7+$GER*ce8+$IRE*ce11+$ITA*ce10+$JAP*ce11+$NET*ce12+$NZ*
> ce13+$NOR*ce14+$SWE*ce17 +$SWZ*ce18+$UK*ce19+$USA*ce20
> end
> 
> set more on
> 
> nl progt2 unr tep tud_alt tbrr tbd ttw tcbi tkenwcoo if tshock

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