[R] how to impose the lines (Apply?)
lisawang at uhnres.utoronto.ca
Fri Sep 30 23:22:46 CEST 2005
I have data like the following (38 patients) each have a lot of record
(some have more than others). I would like to plot time* pressure for
each patient in the same plot. I try to write a function and then split
the data by patients id and then sapply the function to the splited
list, but I have difficulty to link the function to the data point.
Please let me know if this is the rignt way to do it.
Thanks a lot
patients time pressure
1 1 24
1 2 34
2 2 45
2 2.5 50
2 1.5 30
3 8 9
tel: 416 946 4501
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