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Forecast for LGDPK solves to NA at 2006:03, on iteration 1
Forecast for LRESINVK solves to NA at 2006:03, on iteration 1
Forecast for GDPK solves to NA at 2006:03, on iteration 1
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Forecast for LGDPK solves to 9.01 at 2006:03, on iteration 3
This is the code I used as an example:
Code: Select all
calendar(q) 1969 1
open data "data.xls"
data(format = xls, org = columns) /
close data
compute begin_samp = 1969:1
compute end_samp = 2005:4
compute end_fcast = 2006:4
smpl begin_samp end_samp
linreg(noprint, define = gdp_eq) lgdpk
# lgdpk{1 to 4} lresinvk{1 to 4} ffedk{1 to 4} constant
linreg(noprint, define = resinv_eq) lresinvk
# lgdpk{1 to 4} lresinvk{1 to 4} ffedk{1 to 4} constant
frml(identity) gdp_level gdpk = exp(lgdpk)
group grp $
gdp_eq>> lgdpk $
resinv_eq>> lresinvk $
gdp_level>> gdpk
forecast(model = grp, from = end_samp+1, to = end_fcast, print)
set ffedk 2006:2 2006:2 = %na
forecast(model = grp, from = end_samp+1, to = end_fcast, print)