R语言:堆叠柱状图Y轴标签等距显示问题求助
问题:堆叠柱状图Y轴标签优化(避免log变换)
我用R语言的ggplot2绘制不同算法性能的堆叠柱状图,但Y轴标签过于密集,导致图表可读性差。希望实现类似log10变换后的Y轴标签等距效果,但由于大量数据接近0,log10变换会使图表难以解读,且堆叠柱状图不适用于log10变换。
当前图表效果

我的代码
library(tidyverse) frame1 <- tibble( class = c("Falcon", "Dilithium", "SPHINCS", "CROSS", "Hawk", "LESS", "MAYO", "MIRATH", "MQOM", "UOV", "PERK", "QRUOV", "RYDE", "SDiTH", "SNOVA", "FAEST", "SQIsign"), min_val = c("Falcon512AVX2", "Dilithium2-AES", "SPHINCS_Shake256_128f_simple", "CROSS_1_RSDPG_SPEED", "Hawk-512", "LESS_252_192", "MAYO-1", "MIRATH1AF", "MQOM2-L1-gf256-short-r3", "OV(256,112,44)-pkc", "PERK128S3", "qruov1q127L3v156m54portable64a", "RYDE-1S", "SDiTH-CAT1-SHORT", "SNOVA_24_5_4_ESK", "faest_em_128f", "SQIsign_lvl1"), max_val = c("Falcon512AVX2", "Dilithium2", "SPHINCS_HARAKA128s_robust", "CROSS_1_RSDP_SPEED", "Hawk-512", "LESS_252_45", "MAYO-2", "MIRATH1BS", "MQOM2-L1-gf2-fast-r5", "OV(16,160,64)-classic", "PERK128F5", "qruov1q7L10v740m100portable64s", "RYDE-1F", "SDiTH-CAT1-FAST", "SNOVA_37_8_4_SSK", "faest_128s", "SQIsign_lvl1"), min_data = c(6.443046, 1.267496, 2.833732, 0.017197, 2.521503, 0.647719, 0.392322, 1.270687, 1.344364, 2.515823, 1.12733, 9.796289, 1.127787, 1.715746, 0.206842, 1.081237, 18.09388), max_data = c(6.443046, 1.29639, 176.637902, 0.026434, 2.521503, 2.084721, 0.517931, 2.353453, 2.2628, 3.117372, 1.30242, 40.514029, 1.250092, 1.954028, 0.830463, 1.444805, 18.09388) ) frame <- frame1 |> mutate(diff_data = max_data - min_data, order = as_factor(class)) |> rename(diff_val=max_val) |> select(-max_data) |> pivot_longer(contains("_"), names_to = c("what", ".value"), names_sep="_") ggplot(frame, aes(fill=val, y=data, x=order, label=data))+ geom_bar(position="stack", stat="identity", color="white") + labs(fill="Algorithm Variants", x="Algorithm Class", y="Runtime (Milli-Seconds)") + scale_fill_manual(name = "Algorithm Variants", values=c("grey", "blue", "grey", "green", "grey", "yellow", "grey", "orange", "grey", "red", "grey", "purple", "grey", "pink", "grey", "turquoise", "grey", "tan", "grey", "sienna", "grey", "gold", "grey", "lightblue", "grey", "lightcyan", "grey", "darksalmon", "grey", "darkblue", "grey", "azure", "grey", "bisque"))+ ggtitle("Level 1 Key-Generation Runtime (Milli-Seconds)") + theme(legend.key.size = unit(0.1, 'cm'), #change legend key size legend.key.height = unit(.1, 'cm'), #change legend key height legend.key.width = unit(.1, 'cm'), #change legend key width legend.title = element_text(size=8), #change legend title font size legend.text = element_text(size=5), plot.title = element_text(hjust = 0.75), axis.text.y = element_text(margin = margin(r=5)) #change legend text font size ) + scale_y_continuous(breaks = c(0, 10^(-3:2)))
更新
尝试了@Jon Spring提出的解决方案,虽部分解决问题,但Y轴标签与实际数据值不匹配。相关效果见:

内容的提问来源于stack exchange,提问作者ryanquestioncsp
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