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y_1994
2009 Mar 05
1
Does R have function or method to finish my task?
...ars as Y. But which year has the closest relationship is not know
and this may be one of the analysis aim.
Take Year=1995 as an example,
Y_1995 may be related with
X1_1995 , X2_1995 , X3_1995,
X1_1994 , X2_1994 , X3_1994, Y_1994, (previous one year)
X1_1993 , X2_1993 , X3_1993, Y_1993 (previous two years)
... ...
(previous more years)
Pay attention to the situation that Y itself may also affect its own value
of the next several years.
Anybody knows whether R have functions or methods to
finish the above task.
I hope i have explained it clearly...