Description Usage Arguments Value
Convert data.table (lon, lat, var1) to matrix (lon, lat)
1 |
data |
: data.table数据, like (lon, lat, var1) |
formula |
: A formula of the form LHS ~ RHS to cast, 给出经纬度的列表名 |
value.var |
: 矩阵的数值变量 |
: data.table matrix.
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