subject:"Re\: \[R\] group by function"

Re: [R] group by function

2015-11-07 Thread Ragia Ibrahim

many thanks for replying, yes I am kindly accept my pardon, I mistaken the rows from each other many thanks I will read them. Ragia > Date: Sat, 7 Nov 2015 07:48:36 -0800 > Subject: Re: [R] group by function > From: bgunter.4...@gmail.com &

Re: [R] group by function

2015-11-07 Thread Bert Gunter

?? Row 4 has i = 2 and Measure_id =4 and therefore has value divided by the max of all values with that i and Measure_id, which is 1. Row 7 has i =2 and Measure_id =2, and so is divided by the max value in all rows with those values of i and Measure_id, which is 2. etc. So either you do not unders