[R] Help on Dates in R again

Thorsten Muehge MUEHGE at de.ibm.com
Thu Sep 21 08:36:32 CEST 2006

Hello R Experts,
I want to aggregate parameters by week. But our production week ends Friday
night instead of Sunday Night which is the default value in R.

In order to solve the problem I want to substract two days from the current
data and than use the R function


with a test&dates format equal to "2006-09-21".

How do I substract the two days from the test$dates column in the

Thanks a lot for your help

More information about the R-help mailing list