Nothing
data(nuclearplants)
xb <- xBalance(pr ~ date + t1 + t2 + cap + ne + ct + bw + cum.n,
strata = list(none = NULL, pt = ~pt),
data = nuclearplants)
# Using the default grouping:
plot(xb, variable.labels = c(date = "Date",
t1 = "Time 1",
t2 = "Time 2",
cap = "Capacity",
ne = "In North East",
ct = "Cooling Tower",
bw = "Babcock-Wilcox",
cum.n = "Total Plants Built"),
strata.labels = c("--" = "Raw Data", "pt" = "Partial Turn-key"),
absolute = TRUE)
# Using user supplied grouping
plot(xb, variable.labels = c(date = "Date",
t1 = "Time 1",
t2 = "Time 2",
cap = "Capacity",
ne = "In North East",
ct = "Cooling Tower",
bw = "Babcock-Wilcox",
cum.n = "Total Plants Built"),
strata.labels = c("--" = "Raw Data", "pt" = "Partial Turn-key"),
absolute = TRUE,
groups = c("Group A", "Group A", "Group A", "Group B",
"Group B", "Group B", "Group A", "Group B"))
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