[英]Missing value - Polar plot
數據集:兩個雙變量不相等觀察值:
g_d g_a s_d s_a
2 27.75047815 2 27.75047815
2 27.75047815 2 27.75047815
3 27.75047815 2 27.75047815
3 27.75047815 2 27.75047815
3 27.75047815 2 27.75047815
5 27.75047815 2 27.75047815
6 27.75047815 2 27.75047815
8 27.75047815 2 27.75047815
9 27.75047815 2 27.75047815
10 27.75047815 2 27.75047815
3 17.19518769 2 27.75047815
3 13.21767851 2 27.75047815
4 13.21767851 3 27.75047815
4 13.21767851 3 27.75047815
5 13.21767851 3 27.75047815
6 13.21767851 3 27.75047815
6 13.21767851 3 27.75047815
6 13.21767851 3 27.75047815
7 13.21767851 3 27.75047815
8 13.21767851 3 27.75047815
9 13.21767851 3 27.75047815
9 13.21767851 3 27.75047815
11 13.21767851 3 27.75047815
11 13.21767851
14 13.21767851
14 13.21767851
14 13.21767851
15 13.21767851
16 13.21767851
17 13.21767851
24 13.21767851
2 30.90877312
2 30.90877312
2 30.90877312
2 30.90877312
2 30.90877312
3 30.90877312
3 30.90877312
3 30.90877312
我正在嘗試使用以下命令在同一繪圖窗口中並排制作兩個極坐標圖
代碼:
d = read.table("D:/POLAR_1.txt", sep="\t", header=T)
attach(d)
summary(d)
library(plotrix)
par(mfrow=c(1,2))
對於第一個極坐標圖:
polar.plot(NA, NA, clockwise=TRUE, rp.type="", start=90,radial.lim=c(0, 35),
radial.cex=0.3, box.radial=TRUE, show.grid.labels=1, boxed.radial=FALSE)
polar.plot(g_d, g_a, clockwise=TRUE, rp.type="s", start=90, point.symbols=19,
show.grid.labels=3, par(cex=0.8), add=TRUE)
對於第二極坐標圖:
polar.plot(NA, NA, clockwise=TRUE, rp.type="", start=90,radial.lim=c(0, 35),
radial.cex=0.3, box.radial=TRUE, show.grid.labels=1, boxed.radial=FALSE, add=TRUE)
polar.plot(s_d, s_a, clockwise=TRUE, rp.type="s", start=90, point.symbols=19,
show.grid.labels=3, par(cex=0.8), add=TRUE)
結果:我可以獲得第一個圖,但是對於第二個圖,我得到以下消息:
Error in if (grid.pos[1] < radial.lim[1]) grid.pos <- grid.pos[-1] :
missing value where TRUE/FALSE needed
由於第二個數據集缺少一些值(由於較少的觀察),因此出現此錯誤。 因此,想知道如何處理此錯誤。
嘗試以下示例:
library(plotrix)
par(mfrow=c(1,2))
polar.plot(NA, NA, clockwise=TRUE, rp.type="", start=90,radial.lim=c(0, 35),
radial.cex=0.3, box.radial=TRUE, show.grid.labels=1, boxed.radial=FALSE)
polar.plot(g_d, g_a, clockwise=TRUE, rp.type="s", start=90, point.symbols=19,
show.grid.labels=3, par(cex=0.8), add=TRUE)
## here remove add=TRUE
polar.plot(NA, NA, clockwise=TRUE, rp.type="", start=90,radial.lim=c(0, 35),
radial.cex=0.3, box.radial=TRUE, show.grid.labels=1, boxed.radial=FALSE)
## use na.omit to remove missing values
polar.plot(na.omit(s_d), na.omit(s_a), clockwise=TRUE, rp.type="s", start=90, point.symbols=19,
show.grid.labels=3, par(cex=0.8), add=TRUE)
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