subject:"\[R\] Lag in dataframe"

[R] Lag in dataframe

2014-05-12 Thread Abhinaba Roy

Hi R helpers, I have a dataframe as, ID_CASE Month CS0026A 201301 CS0026A 201302 CS0026A 201303 CS0026A 201304 CS0026A 201305 CS0026A 201306 CS0026A 201307 CS0026A 201308 CS0026A 201309 CS0026A 201310 CS0191C 201302 CS0191C 201303 CS0191C

Re: [R] Lag in dataframe

2014-05-12 Thread arun

Hi, May be this helps: dat1 - structure(list(ID_CASE = c(CS0026A, CS0026A, CS0026A, CS0026A, CS0026A, CS0026A, CS0026A, CS0026A, CS0026A, CS0026A, CS0191C, CS0191C, CS0191C, CS0191C, CS0191C, CS0191C, CS0191C, CS0191C,