Glucose Glucose levels over time
 Description
The Glucose data frame has 378 rows and 4 columns. 
Format
This data frame contains the following columns:
- Subject
-  an ordered factor with levels 6<2<3<5<1<4
- Time
-  a numeric vector 
- conc
-  a numeric vector of glucose levels 
- Meal
-  an ordered factor with levels 2am<6am<10am<2pm<6pm<10pm
Source
Hand, D. and Crowder, M. (1996), Practical Longitudinal Data Analysis, Chapman and Hall, London.
    Copyright (©) 1999–2012 R Foundation for Statistical Computing.
Licensed under the GNU General Public License.