我想繪製數據(見下面)作爲分組條形圖。我按照其他建議在這裏更改position = ""
geom_bar
,但我似乎無法使其工作。我所得到的只是一個堆積條形圖。這是我最近一次嘗試:ggplot2 barplot在R與分組列,如何unpack?
ggplot(data = IFNg, aes(x = IFNg$Location, y = IFNg$`Fold Change`)) +
geom_bar(position = 'identity', stat = "identity", fill = IFNg$Day) +
ylab("Fold Change (log_2)") + geom_errorbar(limits, width=0.15)
我也曾嘗試這也導致堆疊情節以下,但是這一次不同的着色:
ggplot(data = IFNg, aes(x = IFNg$Location, y = IFNg$`Fold Change`,
fill= IFNg$Day)) + geom_bar(position = 'identity', stat = "identity") +
ylab("Fold Change (log_2)") + geom_errorbar(limits, width=0.15)
這裏是休息我的代碼與數據:
dat <- structure(list(Day = c(1L, 3L, 7L, 21L, 1L, 3L, 7L, 21L, 1L,
3L, 7L, 21L), Order = c(1L, 1L, 1L, 1L, 2L, 2L, 2L, 2L, 3L, 3L,
3L, 3L), Target = c("IFN-g", "IFN-g", "IFN-g", "IFN-g", "IFN-g",
"IFN-g", "IFN-g", "IFN-g", "IFN-g", "IFN-g", "IFN-g", "IFN-g"),
Location = c("Duodenum", "Duodenum", "Duodenum", "Duodenum",
"Duodenum (Lymph)", "Duodenum (Lymph)", "Duodenum (Lymph)",
"Duodenum (Lymph)", "Proximal Jejunum", "Proximal Jejunum",
"Proximal Jejunum", "Proximal Jejunum"), `Fold Change` = c(-1.750896098,
-2.194886907, -0.838822724, 0.680612172, -0.375563984, 0.650154987,
0.844897327, -0.228441603, -1.298230671, -1.173634963, -1.877736135,
0.787322978), StDev = c(0.027477611, 0.029974897, 0.19025044, 1.235986647,
0.055798435, 0.086102327, 0.115422155, 0.34470734, 0.020947691, 0.165294027,
0.040111751, 0.035010207)), .Names = c("Day", "Order", "Target", "Location",
"Fold Change", "StDev"), class = c("tbl_df", "data.frame"), row.names = c(NA,-12L))
IFNg <- dat[dat$Target == 'IFN-g', ]
limits <- aes(ymax = IFNg$`Fold Change` + IFNg$StDev,
ymin = IFNg$`Fold Change` - IFNg$StDev)
切勿在'aes()'內使用''''。您有'data'參數來告訴'ggplot'數據框要使用。將向量'x = data $ column'而不是列名'x = column'傳遞給'aes'會導致問題。同樣,(但從另一方面來說),所有**美學映射到數據列需要在'aes()'內,包括'fill = Day'。 – Gregor
謝謝@格雷戈。我已經完成了兩個建議的更改,但情節仍然是堆疊的。不知道發生了什麼事... –
你的情節在技術上並不堆疊。它只是把所有酒吧放在一個點上,所以你可以看到「較短」酒吧背後的「高」酒吧。你想讓你的圖形看起來像什麼?你想要一個躲閃的酒吧情節?如果是這樣,請使用'position =「dodge」'。 – aosmith