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rbi (version 1.0.0)

check_sparse_var: Check if a variable is sparse

Description

Check if a variable is sparse

Usage

check_sparse_var(x, coord_cols, value_column)

Value

TRUE if the variable is sparse, FALSE otherwise

Arguments

x

data.table

coord_cols

character vector of coordinate columns

value_column

the name of the value column

Author

Sebastian Funk

Details

Takes a data.table with given coordinate columns and a value column and checks if all combinations of the coordinate columns are present for each combination of the other columns.