Re: [R] Large 3d array manipulation

2009-02-28 Thread David Winsemius
On Feb 27, 2009, at 10:37 PM, David Winsemius wrote: On Feb 27, 2009, at 7:49 PM, Duncan Murdoch wrote: On 27/02/2009 6:15 PM, Vemuri, Aparna wrote: I have a large 3 dimensional array of size (243,246,768) The first dimension is Rows, second is columns and the third is Time. So for each

[R] Large 3d array manipulation

2009-02-27 Thread Vemuri, Aparna
I have a large 3 dimensional array of size (243,246,768) The first dimension is Rows, second is columns and the third is Time. So for each row and column, I want to calculate the mean of time steps 1:8, 2:9, 3:10 and so on and assign the values to a new array. For this I am using the following

Re: [R] Large 3d array manipulation

2009-02-27 Thread Duncan Murdoch
On 27/02/2009 6:15 PM, Vemuri, Aparna wrote: I have a large 3 dimensional array of size (243,246,768) The first dimension is Rows, second is columns and the third is Time. So for each row and column, I want to calculate the mean of time steps 1:8, 2:9, 3:10 and so on and assign the values to

Re: [R] Large 3d array manipulation

2009-02-27 Thread David Winsemius
On Feb 27, 2009, at 7:49 PM, Duncan Murdoch wrote: On 27/02/2009 6:15 PM, Vemuri, Aparna wrote: I have a large 3 dimensional array of size (243,246,768) The first dimension is Rows, second is columns and the third is Time. So for each row and column, I want to calculate the mean of time