shape: (5, 2)
| Student | Score |
|---|---|
| str | i64 |
| "Harvey" | 88 |
| "Donna" | 76 |
| "Mike" | 93 |
| "Jessica" | 85 |
| "Louis" | 91 |
Deleting a record in a polars dataframe
remove
100DaysOfPolars
Deleting records from a table is a common operation when analyzing data. Suppose you have a dataframe of lawyers and the scores they received on their bar exam.
Delete record
If you’re a fan of the TV show Suits, you’ll know that Donna is not a lawyer. Let’s remove her from the table.
df.remove(pl.col('Student') == 'Donna')
shape: (4, 2)
| Student | Score |
|---|---|
| str | i64 |
| "Harvey" | 88 |
| "Mike" | 93 |
| "Jessica" | 85 |
| "Louis" | 91 |
If you’re a diehard fan of Suits, you’ll also point out that Mike is not a real lawyer. That’s true, but let’s keep that just between us, the diehard fans.
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