search for: x2_1993

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2009 Mar 05
1
Does R have function or method to finish my task?
...ne , two or more years 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 ex...