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我有以下數據集和代碼來爲數據框架中的每對變量構建二維密度等高線圖。我的問題是ggpairs()中是否有一種方法來確保不同變量對的比例相同,如ggplot2中不同facet的相同比例。例如,我希望每個圖片的x比例和y比例都是[-1,1]。如何使用ggpairs在不同構面上設置相同的縮放比例()
在此先感謝!
情節看起來像
library(GGally)
ggpairs(df,upper = list(continuous = "density"),
lower = list(combo = "facetdensity"))
#the dataset looks like
print(df)
x y z w
1 0.49916998 -0.07439680 0.37731097 0.0927331640
2 0.25281542 -1.35130718 1.02680343 0.8462638556
3 0.50950876 -0.22157249 -0.71134553 -0.6137126948
4 0.28740609 -0.17460743 -0.62504812 -0.7658094835
5 0.28220492 -0.47080289 -0.33799637 -0.7032576540
6 -0.06108038 -0.49756810 0.49099505 0.5606988283
7 0.29427440 -1.14998030 0.89409384 0.5656682378
8 -0.37378096 -1.37798177 1.22424964 1.0976507702
9 0.24306941 -0.41519951 0.17502049 -0.1261603208
10 0.45686871 -0.08291032 0.75929106 0.7457002259
11 -0.16567173 -1.16855088 0.59439600 0.6410396945
12 0.22274809 -0.19632766 0.27193362 0.5532901113
13 1.25555629 0.24633499 -0.39836999 -0.5945792966
14 1.30440121 0.05595755 1.04363679 0.7379212885
15 -0.53739075 -0.01977930 0.22634275 0.4699563173
16 0.17740551 -0.56039760 -0.03278126 -0.0002523205
17 1.02873716 0.05929581 -0.74931661 -0.8830775310
18 -0.13417946 -0.60421101 -0.24532606 -0.1951831558
19 0.11552305 -0.14462104 0.28545703 -0.2527437818
20 0.71783902 -0.12285529 1.23488185 1.3224880574