[R] how to create the data frame

[Ivan Calandra]

Hi,

Let's say you original data.frame is called df1, you can do:
df2 <- data.frame(date=row.names(df1), weekly.returns=df1[[1]])

Next time, think about giving us you sample data through the dput() 
function. It makes it way easier.

HTH,
Ivan

--
Ivan CALANDRA
Université de Bourgogne
UMR CNRS/uB 6282 Biogéosciences
6 Boulevard Gabriel
21000 Dijon, FRANCE
+33(0)3.80.39.63.06
ivan.calandra at u-bourgogne.fr
http://biogeosciences.u-bourgogne.fr/calandra

Le 11/07/12 07:35, 水静流深 a écrit :
> there is a data frame £¬x
>              weekly.returns
>   2010-1-4        -0.015933327
>   2010-1-11        -0.015042868
>   2010-1-18        0.005350297
>   2010-1-25        -0.049324703
>   2010-2-1        -0.052674121
>   when i input
>   colnames(data)[1] <- 'date'
>   it becomes
>                        date
>   2010-1-4        -0.015933327
>   2010-1-11        -0.015042868
>   2010-1-18        0.005350297
>   2010-1-25        -0.049324703
>   2010-2-1        -0.052674121
>   how can i change ti into:
>     date        weekly.returns
>   1  2010-1-4        -0.015933327
>   2  2010-1-11        -0.015042868
>   3  2010-1-18        0.005350297
>   4  2010-1-25        -0.049324703
>   5  2010-2-1        -0.052674121
> 	[[alternative HTML version deleted]]
>
>
>
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