[R] Plotting Lines Through multiple groups

[Eik Vettorazzi]

Hi Clara,
are there repeated measures of an animal on the same day?
Otherwise I did not get the point of the level of aggregation.

Using lattice you can do sth like
xyplot(Cort~Day,groups=Animal,type=c("p","a"),data=df)

but with your given data this just connects the raw points

hth.

Am 28.09.2011 08:03, schrieb clara_eco:
> Hi I have data in the following format
> Cort Day Animal
> 23    0      1
> 27    3      1
> 24    0      2
> 27    1      2
> 34    2      2
> 30    3      2
> 24    4      2
> 20    0      3
> 24    1      3
> 28    2      3
> 34    4      3
> etc.
> It is measured across time(day) however no every individual is measured the
> same number of times.  All I want to do is plot the Raw data and then run a
> line connecting the data points of each individual animal, for the example
> above there would be three lines as there are three animals.
> I've tried, gplots, lattice and car but I'm not really figuring it out, any
> help would be greatly appreciated!
> 
> Thanks 
> Clara
> 
> 
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Eik Vettorazzi
Institut für Medizinische Biometrie und Epidemiologie
Universitätsklinikum Hamburg-Eppendorf

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