[R] Is it possible to calculate in r the number of days and count of b in var r from the following table:

[PIKAL Petr]

Hi

Your question is barely understandable. Maybe you wanted

?aggregate

but without further precisement it is difficult to provide definitive answer.

Cheers
Petr

> -----Original Message-----
> From: R-help <r-help-bounces using r-project.org> On Behalf Of ajaykumar cp
> Sent: Wednesday, April 17, 2019 4:31 PM
> To: r-help using r-project.org
> Subject: [R] Is it possible to calculate in r the number of days and count of b in
> var r from the following table:
>
> Hello
>
> Is it possible to calculate in r the number of days and count of b in var r from
> the following table:
>
>
> id r s t u
> 1 a 100 1 27-06-2017
> 1 a 200 0 29-06-2017
> 1 b 300 0 01-07-2017
> 2 a 500 1 12-06-2017
> 3 b 100 0 02-07-2017
> 3 a 600 1 02-07-2017
> 4 a 200 0 12-06-2017
> 4 a 300 1 15-06-2017
> 4 b 200 0 18-06-2017
> 4 a 100 0 01-07-2017
> 5 a 200 0 04-06-2017
>
> grouped by unique ID where the condition = when r = b, sum of s >= sum of s
> when t = 1?
>
> https://stackoverflow.com/q/55724900/11373077 for the discussions
>
> Thank you in advance
>
>
> --
> C P Ajaykumar
>
> [[alternative HTML version deleted]]
>
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