Hi,
I am trying to replace (lattice) standard xyplot with xYplot variant from
Hmisc package to be able to add error bars to my plots. However, this does
not work, e.g:
library(lattice)
d <- data.frame(
SKU=gl(3, 1, 21, labels=c("a", "b", "c")),
Weekday=gl(7, 3, 21),
QCRate=runif(21))
xyplot(QCRate ~ Weekday | SKU, data=d)
(this plots nice 3 panels as per a,b,c conditionals)
library(Hmisc)
> xYplot(QCRate ~ Weekday | SKU, data=d)
Error in Summary.factor(1:7, na.rm = TRUE) :
range not meaningful for factors
Is there a workaround?
Thanks,
Ivan
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