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我有以下的數據框(dput的輸出(DF2)):ggplot:如何根據組ID(以極座標圖)改變垂直線顏色
structure(list(angles = c(-0.701916320805404, 2.33367948606366,
0.364313791379516, -0.228918909875176, -2.77064550417737, 2.97776037032614,
-3.03604124258522, 2.10507549390108, 2.07708771915781, -0.0646656487453258,
-0.701916320805404, 2.33367948606366, 0.364313791379516, -0.228918909875176,
-2.77064550417737, 2.97776037032614, -3.03604124258522, 2.10507549390108,
2.07708771915781, -0.0646656487453258, -0.701916320805404, 2.33367948606366,
0.364313791379516, -0.228918909875176, -2.77064550417737, 2.97776037032614,
-3.03604124258522, 2.10507549390108, 2.07708771915781, -0.0646656487453258
), id = c(9L, 4L, 5L, 6L, 3L, 10L, 3L, 4L, 4L, 6L, 1L, 4L, 5L,
6L, 2L, 1L, 3L, 4L, 4L, 6L, 1L, 7L, 5L, 6L, 2L, 1L, 3L, 4L, 4L,
6L), method = structure(c(2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L,
2L, 3L, 3L, 3L, 3L, 3L, 3L, 3L, 3L, 3L, 3L, 1L, 1L, 1L, 1L, 1L,
1L, 1L, 1L, 1L, 1L), .Label = c("kd-clips", "QT-Clust", "True"
), class = "factor"), truid = structure(c(1L, 4L, 5L, 6L, 2L,
1L, 3L, 4L, 4L, 6L, 1L, 4L, 5L, 6L, 2L, 1L, 3L, 4L, 4L, 6L, 1L,
4L, 5L, 6L, 2L, 1L, 3L, 4L, 4L, 6L), .Label = c("1", "2", "3",
"4", "5", "6"), class = "factor")), .Names = c("angles", "id",
"method", "truid"), row.names = c(940L, 474L, 889L, 298L, 222L,
932L, 87L, 695L, 261L, 832L, 1940L, 1474L, 1889L, 1298L, 1222L,
1932L, 1087L, 1695L, 1261L, 1832L, 2940L, 2474L, 2889L, 2298L,
2222L, 2932L, 2087L, 2695L, 2261L, 2832L), class = "data.frame")
我運行下面的代碼,以使
df2$y <- as.numeric(as.factor(df2$method)) + 3
df2$yend <- df2$y + 1
library(ggplot2)
library(RColorBrewer)
cx <- ggplot(df2, aes(y = y, x = angles))
cx + geom_point(aes(color = as.factor(id))) + ylim(0,6) + theme_light() + scale_colour_brewer(palette = "Paired") +
scale_x_continuous(labels = NULL, breaks = df2$angles)+coord_polar() +
theme(legend.position="none", panel.border=element_blank(), axis.title =
element_blank(), axis.text = element_blank())
我得到如下圖所示:
後面的情節快到了,但我想獲得兩兩件事:
- 徑向線根據DF2的最後一列(true.id)(這是相同顏色的點着色第三個同心圓 - 與id ==「True」相同)。
- 我也想要一個徑向刻度,以30的間隔標記(例如0°,30°,60°,90°,330°,0°)。但是,我不希望左邊的(Y's)的比例。
- 上面有30個點,每個角度的每個方法有三個重複。但是,這些數字似乎只繪製了9次重複,即總共27個點。 (可能有兩個角度--2.077和2.105的角度)非常接近,所以他們確實可能都在那裏,但我不能說因爲那兩點彼此接近?
我已經嘗試了一整天,但無法讓這兩個工作,所以我想知道如果任何人都可以幫助。
在此先感謝!