Re: [R] Different result on using apply.

2011-07-30 Thread Ashim Kapoor
Thank you Dennis and Peter. On Fri, Jul 29, 2011 at 1:59 PM, Dennis Murphy wrote: > Hi: > > To add to Peter Dalgaard's comments, a look at head(ret) and > head(returns) would also have clued you in: > > > head(ret, 1) > GOOG.OpenGOOG.High GOOG.Low GOOG.Close GOOG.Volume

Re: [R] Different result on using apply.

2011-07-29 Thread Dennis Murphy
Hi: To add to Peter Dalgaard's comments, a look at head(ret) and head(returns) would also have clued you in: > head(ret, 1) GOOG.OpenGOOG.High GOOG.Low GOOG.Close GOOG.Volume 2007-01-03 1.377067e-05 3.184271e-05 3.378641e-05 7.049545e-05 3.01405e-09 GOOG.Adjuste

Re: [R] Different result on using apply.

2011-07-29 Thread peter dalgaard
(oops, forgot to cc. the list) On Jul 29, 2011, at 08:09 , Ashim Kapoor wrote: > Dear R-helpers, > > In the following example I compute ret and returns the SAME way. In ret I > use compute returns for EACH column and in returns I do it for the whole > data frame. Could someone please tell me why

[R] Different result on using apply.

2011-07-28 Thread Ashim Kapoor
Dear R-helpers, In the following example I compute ret and returns the SAME way. In ret I use compute returns for EACH column and in returns I do it for the whole data frame. Could someone please tell me why I see a lagged result,by which I mean ret and returns are different by one lag. getSymbo