search for: subjectt

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2011 Jul 20
1
grouping data
All the examples in 'nlme' are in "Grouped Data: distance ~ age | Subject" format. How do I "group" my data in "dolf" the same way the data "Orthodont" are grouped. > show(dolf) distance age Subjectt Sex 1 6.83679 22.01 F1 F 2 6.63245 23.04 F1 F 3 11.58730 39.26 M2 M > show(Orthodont) Grouped Data: distance ~ age | Subject distance age Subject Sex 1 26.0 8 M01 Male 2 25.0 10 M01 Male 3 29.0 12 M01 Male -- View...