Posts by Marli Rocha • 25 points
2 posts
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answers81
viewsQ: Difference between dates located in different rows and columns
In R, I have the following data: entrada saida id ordem 2013-01-15 2013-05-20 1 1 2015-03-13 2015-09-12 1 2 2016-01-12 2016-04-11 1 3 I want to add a column with the difference (days) between the…
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answer61
viewsQ: Add order of records according to date and id
In R, I have the following data: id date 2380 10/30/12 2380 10/31/12 2380 11/1/12 2380 11/2/12 20103 10/30/12 20103 12/31/12 And I want to add a column with the order of the records according to…