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我想根据一些预先定义的规则对状态进行着色。问题是地图有很多白色空间,而地图本身在放大时变得像素化。有没有办法删除空白区域,只保留导出文件中的地图。R-国家地图与两边的空间很多
library('maps')
map('state',fill=FALSE,bg='transparent')
map('state',region=c('MICHIGAN','MISSOURI','WISCONSIN','SOUTH CAROLINA','COLORADO','NEW JERSEY','MINNESOTA','OREGON','NEW MEXICO','NEVADA',
'NEW HAMPSHIRE','MAINE','RHODE ISLAND','UTAH','MONTANA','VERMONT','IDAHO','ALASKA','DELAWARE',
'SOUTH DAKOTA','WYOMING'),
fill=TRUE, col="darkolivegreen4",add=TRUE)
map('state',region=c('TEXAS','CALIFORNIA','OHIO','ILLINOIS','GEORGIA','MASSACHUSETTS','PENNSYLVANIA','INDIANA','NORTH CAROLINA','TENNESSEE',
'WASHINGTON','KENTUCKY','MISSISSIPPI','ALABAMA','OKLAHOMA','ARKANSAS','KANSAS','HAWAII','WEST VIRGINIA',
'NORTH DAKOTA'),
fill=TRUE, col="khaki1",add=TRUE)
map('state',region=c('FLORIDA','NEW YORK','VIRGINIA','MARYLAND','LOUISIANA','CONNECTICUT','ARIZONA','IOWA','NEBRASKA'),
fill=TRUE, col="salmon2",add=TRUE)
地图左侧是否有空白?这可能是因为你在密谋夏威夷? – Phil