[R] How to create a line and bar panel chart with two different axes?
deepayan.sarkar at gmail.com
Sat Mar 6 07:58:37 CET 2010
On Wed, Mar 3, 2010 at 12:35 PM, DougNiu <dhua at umn.edu> wrote:
> I need to create a line and bar panel chart with two different axes. I tried
> in lattice but couldn't get it worked. Here is my code:
> barchart(yield ~ variety | site, data = barley,
> groups = year, layout = c(1,6), stack = F,
> auto.key = list(points = FALSE, rectangles = TRUE, space =
> ylab = "Barley Yield (bushels/acre)",
> scales = list(x = list(rot = 45)))
> Suppose now I need to add two lines in each panel to show the cost (10^3
> dollars) of each type (Svansota,....,Trebi) at different locations
> (Waseca,..., Grand Rapids) for 1931 and 1932.
> Can any body tell me how I should do to create this chart with two different
> axes (one is yield, the other is cost)?
A couple of relevant examples:
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