我目前使用R中的网格包来创建散点图矩阵,使用splom函数。我的数据集中有两个组,标记在两个不同的列,如这样: PC1 PC2 PC3 Group1 Group2
1 2 3 A X
1 2 3 B X
1 2 3 C X
1 2 3 D X
1 2 3 A Y
1 2 3 B Y
1 2 3 C Y
1 2 3 D Y
1 2 3 A Z
1 2 3 B
rloggdp = np.log(riogdp['GDP (millions of US$)']) # logarithm of gdp for countries played at rio
sloggdp = np.log(sochigdp['GDP (millions of US$)']) # logarithm of gdp for countries played at sochi