Re: [R] Matrix Manipulation R

On Jul 4, 2015, at 3:09 AM, Alex Kim dumboisveryd...@gmail.com wrote: Hi guys, Suppose I have an extremely large data frame with 2 columns and .5 mil rows. For example, the last 6 rows may look like this: . .. ... 89 100 93 120 95 125 101NA 115

[R] Matrix Manipulation R

Hi guys, Suppose I have an extremely large data frame with 2 columns and .5 mil rows. For example, the last 6 rows may look like this: . .. ... 89 100 93 120 95 125 101NA 115NA 123NA 124NA I would like to manipulate this data frame to

[R] Matrix Manipulation R

Hi guys, Suppose I have an extremely large data frame with 2 columns and .5 mil rows. For example, the last 6 rows may look like this: . .. ... 89 100 93 120 95 125 101NA 115NA 123NA 124NA I would like to manipulate this data frame to