Error in quartz() : could not find function “quartz“

> 
> quartz()
Error in quartz() : could not find function "quartz"

改为 options(device = “windows”) 或者 options(device = “quartz”)

options(device = “windows”) 和 options(device = “quartz”) 是R编程语言中的选项，用于指定图形设备（graphics device）。