[R] strange dlply behavior

2009-07-21 Thread Damien Moore
I'm running R 2.9.1 on winXP, using the library plyr. Can anyone explain to me what is going wrong in this code? (in particular see lines marked with **) Trying to modify objects in a list created using dlply seems to corrupt the objects in the list. > library(plyr) > d=as.data.fr

Re: [R] plm Issues

2009-07-13 Thread Damien Moore
he problem remain, try get help with the colleagues. > > best > > milton > > On Thu, Jul 9, 2009 at 10:58 AM, Damien Moore wrote: > >> Hi List >> >> I'm having difficulty understanding how plm should work with dynamic >> formulas. See the comman

[R] plm Issues

2009-07-09 Thread Damien Moore
Hi List I'm having difficulty understanding how plm should work with dynamic formulas. See the commands and output below on a standard data set. Notice that the first summary(plm(...)) call returns the same result as the second (it shouldn't if it actually uses the lagged variable requested). The