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First, use the values()
function to extract arrays of lats, lons and T2m from the CSV data. These will be returned in variables of type vector - this is an in-memory array of double-precision numbers.
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vector or list values( table, number ) Returns the given column specified either by an index (starting at 1) or a name (only valid if the table has a header row). If the column type is number, a vector is returned; if it is string, then a list of strings is returned. If the column cannot be found, an error message is generated. |
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