Посмотрите, как рассчитывается ось ИЛИ: primary axis / ratio = OR
. С OR = 1
вы можете просто вычислить для первичной оси: primary axis / ratio = 1 <=> primary axis = ratio
:
feat <- structure(list(Feat = structure(1:8, .Label = c("A", "B", "C",
"D", "E", "F", "G", "H"), class = "factor"), Count = structure(c(2L,
8L, 7L, 5L, 4L, 1L, 6L, 3L), .Label = c("13", "145", "2", "25",
"26", "3", "37", "43"), class = "factor"), OR = structure(c(4L,
2L, 1L, 5L, 3L, 7L, 6L, 8L), .Label = c("0.38", "1.24", "1.33",
"1.51", "1.91", "2.08", "2.27", "3.58"), class = "factor"), CI1 = structure(c(7L,
4L, 1L, 6L, 3L, 5L, 2L, 2L), .Label = c("0.26", "0.43", "0.85",
"0.89", "1.2", "1.24", "1.25"), class = "factor"), CI2 = structure(c(3L,
2L, 1L, 6L, 4L, 7L, 8L, 5L), .Label = c("0.53", "1.7", "1.82",
"1.98", "13.07", "2.83", "3.92", "6.13"), class = "factor")), class = "data.frame", row.names = c(NA,
-8L))
feat$Count <- as.numeric(as.character(feat$Count))
feat$OR <- as.numeric(as.character(feat$OR))
feat$CI1 <- as.numeric(as.character(feat$CI1))
feat$CI2 <- as.numeric(as.character(feat$CI2))
ratio <- max(feat$Count)/max(feat$CI2)
library(ggplot2)
ggplot(feat) +
geom_bar(aes(x=Feat, y=Count, fill = "Count"),stat="identity") + scale_fill_manual(values="steelblue") +
geom_line(aes(x=Feat, y=OR*ratio, color = "Odds Ratio"),stat="identity", group = 1) + scale_color_manual(values="orange") +
geom_point(aes(x=Feat, y=OR*ratio)) +
geom_errorbar(aes(x=Feat, ymin=CI1*ratio, ymax=CI2*ratio), width=.1, colour="orange",
position = position_dodge(0.05)) +
scale_y_continuous("Count", sec.axis = sec_axis(~ . / ratio, name = "Odds Ratio")) +
theme(legend.key=element_blank(), legend.title=element_blank(), legend.box="horizontal",legend.position = "bottom") +
geom_hline(yintercept = ratio)
Создано 23 августа 2020 г. пакетом REPEX (v0.3.0)
person
starja
schedule
23.08.2020