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mgmt
2010 May 12
3
Boxplot position on X-axis relative to it's value
Dear R-Experts.
I collected different datas about Nitrogen content (mg/ml) in Dung. The dung was eighter fresh (day=0) or had different ages (15,29,47) to observe nutrient changes over time.
Now I like to draw a boxplot.
boxplot(nmgml~day)
abline((nmgml~day)
The Problem is, that the boxplot considers the day values as groups and not as time series (neighter when the days are numeric or factors).
The result is, that the regression line looks different as when I draw a plot
plot(nmgml~day)
abline(nmgml~day)
How can I reach tha...