Hello,
I have some photosynthesis data that is grouped by SPECIES and REPLICATION
I have tried to develop a grouped data set with the following:
photo.gd <- groupedData(Photo~PARi|Species,
data = photo.frm,
labels = list(x = "PPFD (expression(paste)µ mol photons m^-2 s^-1)",
y = "Net photosynthetic rate (expression(paste)µ mol CO[2]m^-2
s^-1)") ,
units = list(y = "(std temp)")
)
plot(photo.gd,aspect=1)
How do I add REPLICATION as an ordered factor to the grouped data setup?
How can I incorporate a mean (distance weight least squares) line as part of a
graph for each replicate set.
Thank you,
Earl Sparkes
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