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在 R 中,在 plot() 函数中,pch 参数控制符号的外观。例如 pch=3,但是否可以将此符号设为粗体,例如 font.symbol = 2?
如果您使用带线条的符号,看起来lwd可能会得到您所追求的:
lwd
plot(1:10, lwd = rep(1:5, 2), cex = 2)