#Hi all,
#Using the example data that follows, can someone please show me how to get
a scatterplot of points with #error bars in the Y direction. something like
this works for one Y:
xYplot(Cbind(y1, l1, u1) ~x1, data=y)
#but this:
xYplot(Cbind(y1, l1, u1) + Cbind(y2, l2, u2)~x1, data=y)
# doesn't give me what I would have expected, which is both sets of points
to have their respective error # bars. Any examples would be greatly
appreciated, and I am not partial to xYplot, so please share #anything you
like.
y1 <- c(1, 1.2, 0.9, 1, 1.2)
u1 <- c(1.3, 1.4, 1.3, 1.2, 1.4)
l1 <- c(0.8, 0.9, 0.85, 0.8, 0.9)
x1 <- c(1:5)
y2 <- c(1.2, 1.4, 1.2, 1.4, 1.5)
u2 <- c(1.5, 1.8, 1.6, 1.6, 1.7)
l2 <- c(1.1, 1.3, 1.0, 1.2, 1.4)
y <- data.frame(y1,u1,l1,x1)
## thanks ahead of time!
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