Grocer Function
NAME
subper - restrict a ts to a subperiod
CALLING SEQUENCE
tsout=subper(tsin,arg1,[arg2])
PARAMETERS
Input
-
tsin = a timeseries
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arg1= either a (1 x 2) vector of dates strings or a dates strings, representing the begining of the subperiod
-
arg2= (if arg1 was a dates string), a dates string, representing the end of the subperiod
Output
-
tsout = the timeseries over the subperiod
DESCRIPTION
Restricts a timeseries to a subperiod.
EXAMPLE
y = subper(x,'1985q1','1990q4')
Assuming that the ts x is defined over a period including the interval ['1985q1';'1990q4'], y is x restricted to the period ['1985q1';'1990q4'].
AUTHOR
Eric Dubois 2002