[英]How to plot error bars for a mean with ggplot2 in R?
我已經將我的數據繪制為散點圖,並有一個基准(基本模型)和一個理論值(AASHTO),我用不同的顏色點來表示。 我使用以下代碼,我的圖表如下所示:
library(ggplot2)
ggplot(data = plotshear, aes(x = Shear, y = LLDF)) + geom_jitter(aes(colour = Source))
# plotshear data:
Source Shear LLDF
# 1 Baseline EXT.Single 0.7627894
# 2 Samples EXT.Single 0.7130376
# 3 Baseline EXT.Multi 0.8521338
# 4 Samples EXT.Multi 0.7975502
# 5 Baseline INT.Single 0.5706947
# 6 Samples INT.Single 0.5462812
# 7 Baseline INT.Multi 0.7291602
# 8 Samples INT.Multi 0.7331171
# 9 AASHTO EXT.Multi 0.8250000
# 10 AASHTO INT.Single 0.7200000
# 11 AASHTO INT.Multi 0.8840000
我實際上需要一個誤差線來表示看起來像這樣的平均值:
當前情節
需要情節
這是一個解決方案,可從您的數據中重現“所需的繪圖”圖:
library(ggplot2)
# plotshear data:
plotshear <- data.frame(Source = c(rep(c("Baseline", "Samples"), 4), rep("AASHTO", 3)),
Shear = c(rep("EXT.Single", 2), rep("EXT.Multi", 2), rep("INT.Single", 2),
rep("INT.Multi", 3), "INT.Single", "INT.Multi"),
LLDF = c(0.7627894, 0.7130376, 0.8521338, 0.7975502, 0.5706947,
0.5462812, 0.7291602, 0.7331171, 0.8250000, 0.7200000, 0.8840000))
#without error bars
ggplot(data = plotshear, aes(x = Shear, y = LLDF)) +
geom_boxplot() +
geom_jitter(aes(color = Source)) +
stat_summary(fun.y=mean, geom="point", shape=23, size=4) +
stat_summary(fun.y=mean, geom="line", aes(group=1))
#with error bars
ggplot(data = plotshear, aes(x = Shear, y = LLDF)) +
geom_boxplot() +
geom_jitter(aes(color = Source)) +
stat_summary(fun.y=mean, geom="point", shape=23, size=4) +
stat_summary(fun.y=mean, geom="line", aes(group=1)) +
stat_summary(fun.data = mean_se, geom = "errorbar")
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