[R] A zoo related question

From: Bogaso Christofer <bogaso.christofer_at_gmail.com>
Date: Thu, 07 Apr 2011 01:27:18 +0530

Dear all, please consider my following workbook:  


lis1 <- vector('list', length = 2)

lis2 <- vector('list', length = 2)

lis1[[1]] <- zooreg(rnorm(20), start = as.Date("2010-01-01"), frequency = 1)

lis1[[2]] <- zooreg(rnorm(20), start = as.yearmon("2010-01-01"), frequency = 12)  

lis2[[1]] <- matrix(1:40, 20)

lis2[[2]] <- matrix(41:80, 20)  

Now I want to make each element of 'lis2' as zoo object where the corresponding indices will be borrowed from 'lis1'. This means:  

for (i in 1:2) {

                                lis2[[i]] <- zoo(lis2[[i]],


However is there any faster way to do that? I found that if the sizes of lis1 & lis2 is quite big then it takes lot of time to complete.  

Any help will be really appreciated.  


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