[R] t-test on a data-frame.

2011-07-14 Thread Economics Student
Dear R-helpers, In a data frame I have 100 securities,monthly closing value,from 1995 to present,which I have to 1. Sampling with replacement,make 50 samples of 10 securities each,each sample hence will be a data frame with 10 columns. 2. With uniform probabilty,mark a month from 2000 onwards as

Re: [R] t-test on a data-frame.

2011-07-14 Thread Sarah Goslee
Hi Student (since you have no other name), On Thu, Jul 14, 2011 at 6:42 AM, Economics Student economicsstudent2...@gmail.com wrote: Dear R-helpers, In a data frame I have 100 securities,monthly closing value,from 1995 to present,which I have to 1. Sampling with replacement,make 50 samples