我参考这个网址http://cos.name/2009/07/drawing-china-map-using-r/ 想做一个中国地图。下载了中国数据的GIS,安装了maptools的package,但是复制粘贴这段文字后,总是错误。。。。请教各位大神!!!!!
provname=c("北京市","天津市","河北省","山西省","内蒙古自治区",
+ "辽宁省","吉林省","黑龙江省","上海市","江苏省",
+ "浙江省","安徽省","福建省","江西省","山东省",
+ "河南省","湖北省","湖南省","广东省",
+ "广西壮族自治区","海南省","重庆市","四川省","贵州省",
+ "云南省","西藏自治区","陕西省","甘肃省","青海省",
+ "宁夏回族自治区","新疆维吾尔自治区","台湾省",
+ "香港特别行政区")
> pop=c(1633,1115,6943,3393,2405,4298,2730,3824,1858,7625,
+ 5060,6118,3581,4368,9367,9360,5699,6355,9449,
+ 4768,845,2816,8127,3762,4514,284,3748,2617,
+ 552,610,2095,2296,693)
> provcol=rgb(red=1-pop/max(pop)/2,green=1-pop/max(pop)/2,blue=0)
> plot(x,fg=getColor(x,provname,provcol,"white"),xlab="",ylab="")
错误于colIndex + 1 : 二进列运算符中有非数值参数