Pete,
Thank you for this example. I recommend using the likert function in
the HH package.
d2 <-
structure(c(1000, 2000, 2500, 5000, 1000, 2000, 3000, 2000, 200,
600, 1000, 900), .Dim = c(4L, 3L), .Dimnames = list(c("1/1/2014",
"2/1/2014", "3/1/2014", "4/1/2014"), c("A", "B", "C")))
d2
likert( ~ A+B+C, data=d2, ReferenceZero=1.5, horizontal=FALSE,
xTickLabelsPositive=FALSE,
xlab="Month", ylab="Difference",
panel=function(x, y, ...) {
panel.barchart(x, y, ...)
panel.xyplot(x=factor(levels(x)),
y=tapply(y, x, sum),
type="b")
},
main="minimal version using likert")
## I put the legend on the right to keep it in the same vertical
## relation as the bars in the plot.
likert( ~ A+B+C, data=d2, ReferenceZero=1.5, horizontal=FALSE,
xTickLabelsPositive=FALSE,
xlab="Month", ylab="Difference",
panel=function(x, y, col, col.sum="black", ...) {
panel.barchart(x, y, ..., col=col)
panel.xyplot(x=factor(levels(x)),
y=tapply(y, x, sum),
type="b", ..., col=col.sum)
},
main="likert with additional arguments",
col=c("red","brown","orange"), ## likert colors
## col.sum="black", ## optional. col.sum defaults to "black"
pch=19, cex=2, lwd=2 ## sum line arguments.
)
## The likert function is defined for positive arguments representing
## counts in various categories. If your 'A' 'B' 'C' correspond to
## 'Disagree' 'Agree' 'Strongly Agree', then this example can be used
## as is. If your 'A' 'B' 'C' have some other type of interpretation,
## then additional work will be needed.
Rich
On Sun, Feb 16, 2014 at 1:05 PM, Pete Brecknock <peter.breckn...@bp.com> wrote:
> Pete Brecknock wrote
>> Hi
>>
>> The code below plots a stacked barchart.
>>
>> I would like to overlay on this chart a circular plotting character at the
>> sum of the bars for each month. The plotted characters should be joined
>> with a line.
>>
>> So, for "1/1/2014", I would like to see a point at 200 (-1000+1000+200).
>> For "2/1/2014" a point at 600 (-2000+2000+600) and so on.
>>
>> # Barchart Plot
>> library(lattice)
>>
>> d0 <-
>> structure(c(-1000,-2000,-2500,-5000,1000,2000,3000,2000,200,600,1000,900),
>> .Dim = c(4L, 3L),
>> .Dimnames = list(c("1/1/2014", "2/1/2014", "3/1/2014", "4/1/2014"),
>> NULL))
>> mycols <- c("red","brown","orange")
>> barchart(d0,
>> horizontal=FALSE,
>> stack=TRUE,
>> auto.key=list(text=c("A","B","C"),
>> columns =3,
>> title="",
>> cex.title =0.9,
>> border=FALSE),
>> xlab="Month",
>> ylab="Difference",
>> main="Stacked Barchart",
>> par.settings = simpleTheme(col = mycols))
>>
>> Any pointers would be gratefully received.
>>
>> Kind regards
>>
>> Pete
>
> I put together the following solution but would be interested in any other
> approaches people may have to share.
>
> library(lattice)
> library(latticeExtra)
>
> d0 <-
> structure(c(-1000,-2000,-2500,-5000,1000,2000,3000,2000,200,600,1000,900),
> .Dim = c(4L, 3L),
> .Dimnames = list(c("1/1/2014", "2/1/2014", "3/1/2014", "4/1/2014"),
> NULL))
> mycols <- c("red","brown","orange")
>
> d1 <- data.frame("Dt"=row.names(d0), "Sum"=rowSums(d0))
>
> barchart(d0,
> horizontal=FALSE,
> stack=TRUE,
> auto.key=list(text=c("A","B","C"),
> columns =3,
> title="",
> cex.title =0.9,
> border=FALSE),
> xlab="Month",
> ylab="Difference",
> main="Stacked Barchart",
> par.settings = simpleTheme(col = mycols)) +
>
> as.layer(xyplot(Sum~Dt, data=d1, type="o", pch=19, cex=1.8, col="black",
> lwd=3), y.same=TRUE)
>
> Thanks
>
> Pete
>
>
>
> --
> View this message in context:
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> Sent from the R help mailing list archive at Nabble.com.
>
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