On 05/29/2010 02:30 AM, UM wrote:
hi,
I have been trying to do this in R (have implemented it in Excel) but I have
been using a very inefficent way (loops etc.). I have matrix A (columns are
years and ages are rows) and matrix B (columns are birth yrs and rows are
ages)
I would like to first
On May 28, 2010, at 12:30 PM, UM wrote:
hi,
I have been trying to do this in R (have implemented it in Excel)
but I have
been using a very inefficent way (loops etc.). I have matrix A
(columns are
years and ages are rows) and matrix B (columns are birth yrs and
rows are
ages)
I would
Hi,
Can you provide sample data? It seems like in both matrices, you have
ages in the rows. Do you just want to calculate birth years in matrix
B from ages and years in matrix A?
It may also help to give us some of the details of what you are doing
once you have transformed it prior to transfor
Provide a minimal example to start with. This sounds more like voodoo than
anything else.
Cheers
Joris
On Fri, May 28, 2010 at 6:30 PM, UM wrote:
>
> hi,
> I have been trying to do this in R (have implemented it in Excel) but I
> have
> been using a very inefficent way (loops etc.). I have matri
hi,
I have been trying to do this in R (have implemented it in Excel) but I have
been using a very inefficent way (loops etc.). I have matrix A (columns are
years and ages are rows) and matrix B (columns are birth yrs and rows are
ages)
I would like to first turn matrix A into matrix B
And th
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