空間ポリゴンのフィールドで識別される領域のサブセット(たとえば、「Magugu」と「Nkaiti」のみ)の1つの色はどのようになりますか?サブセットベクトルで$Name_3
遊んでみましたが、成功しませんでした。よろしくお願いします。Wplot()
Formal class 'SpatialPolygonsDataFrame' [package "sp"] with 5 slots
..@ data :'data.frame': 2800 obs. of 14 variables:
.. ..$ PID : int [1:2800] 97867 97868 97869 97870 97871 97872 97873 97874 97875 97876 ...
.. ..$ ID_0 : int [1:2800] 225 225 225 225 225 225 225 225 225 225 ...
.. ..$ ISO : chr [1:2800] "TZA" "TZA" "TZA" "TZA" ...
.. ..$ NAME_0 : chr [1:2800] "Tanzania" "Tanzania" "Tanzania" "Tanzania" ...
.. ..$ ID_1 : int [1:2800] 12 12 12 12 12 12 12 12 12 12 ...
.. ..$ NAME_1 : chr [1:2800] "Manyara" "Manyara" "Manyara" "Manyara" ...
.. ..$ ID_2 : int [1:2800] 52 52 52 52 52 52 52 52 52 53 ...
.. ..$ NAME_2 : chr [1:2800] "Babati" "Babati" "Babati" "Babati" ...
.. ..$ ID_3 : int [1:2800] 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 ...
.. ..$ NAME_3 : chr [1:2800] "Magugu" "Mamire" "Mwada" "Nkaiti" ...
.. ..$ NL_NAME_3: chr [1:2800] "" "" "" "" ...
.. ..$ VARNAME_3: chr [1:2800] "" "" "" "" ...
.. ..$ TYPE_3 : chr [1:2800] "Division" "Division" "Division" "Division" ...
.. ..$ ENGTYPE_3: chr [1:2800] "Division" "Division" "Division" "Division" ...
..@ polygons :List of 2800