ggsurvey | R Documentation |
A function to facilitate ggplot2
graphs using a survey object.
It will initiate a ggplot and map survey weights to the
corresponding aesthetic.
ggsurvey(design = NULL, mapping = NULL, ...)
design |
A survey design object, usually created with
|
mapping |
Default list of aesthetic mappings to use for plot,
to be created with |
... |
Other arguments passed on to methods. Not currently used. |
Graphs will be correct as long as only weights are required
to compute the graph. However, statistic or geometry requiring
correct variance computation (like
ggplot2::geom_smooth()
) will
be statistically incorrect.
if (require(survey) & require(ggplot2)) { data(api) dstrat <- svydesign( id = ~1, strata = ~stype, weights = ~pw, data = apistrat, fpc = ~fpc ) ggsurvey(dstrat) + aes(x = cnum, y = dnum) + geom_count() d <- as.data.frame(Titanic) dw <- svydesign(ids = ~1, weights = ~Freq, data = d) ggsurvey(dw) + aes(x = Class, fill = Survived) + geom_bar(position = "fill") }
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