###
### Example 1: Traditional Chow-Lin, y is a series with
### repetition, X is a list
### (data case 4 in section 9.3 of the Gretl User's Guide)
###

set verbose on
clear

# open gretl's St Louis Fed database
open fedstl.bin
# import two monthly series
data indpro payems
# import quarterly GDP (values are repeated)
data gdpc1

# disaggregate GDP from quarterly to monthly, using
# industrial prodiction and payroll employment as indicators
scalar s = 3
list X = indpro payems
series gdpm = tdisagg(gdpc1, X, s, _(verbose=1, aggtype="sum"))