Re: [R] Creating list or numeric vectors out of selected columns of row oriented data

2009-01-27 Thread jim holtman
Yes the data can probably be easily transformed, but you would have to provide an example of what the input looks like to understand what has to be done with the data and how variable it might be so we can understand how we might have to "parse" the data from the input. Are the missing days suppos

[R] Creating list or numeric vectors out of selected columns of row oriented data

2009-01-27 Thread R. Mark Sharp
I am just assuming this can be done, but I have not gotten close to making it happen. I have a data file with about 1 million rows with 1470 unique subjects. Each row represents a small set of observations made on a specific date for a single subject. I would like to transform the data so t