Description Usage Arguments Examples
View source: R/exploratory_functions.R
Given two data.tables, this function performs a left outer join and reports on any cartesian product, what percentage matched up, etc.
1 | dt_left_outer(dt1, dt2, key1, key2 = key1, dt2_subset_cols = NULL, cartesian = T)
|
dt1: |
First data.table (the one "on the left") |
dt2: |
Second data.table (the one "on the right") |
key1: |
The column (character) from dt1 on which the join is being performed |
key2: |
The column (character) from dt2 on which the join is being performed |
dt2_subset_cols: |
Character vector of the columns to keep in dt2 after the join is performed |
1 2 3 |
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