pyarrow

BW #56: Rent increases (solution)

Get better at: CSV, PyArrow, regular expressions, filtering, plotting, window functions, cutting, and pivot tables

Mar 7, 2024 14 min read paid

BW #56: Rent increases

Get better at: CSV, PyArrow, regular expressions, filtering, plotting, window functions, cutting, and pivot tables

Mar 7, 2024 2 min read paid

BW #55: IVF (solution)

Get better at: CSV, PyArrow, grouping, stack-unstack, and pivot tables.

Feb 29, 2024 10 min read paid

BW #55: IVF

Get better at: CSV, PyArrow, grouping, stack-unstack, and pivot tables.

Feb 28, 2024 4 min read paid

BW #51: Academy Awards (solution)

Get better at: CSV, PyArrow, missing values, cleaning, grouping, memory optimization, and plotting

Feb 1, 2024 14 min read paid

BW #51: Academy Awards

Get better at: CSV, PyArrow, missing values, cleaning, grouping, memory optimization, and plotting

Jan 31, 2024 3 min read paid

BW #43: Financial protection (solution)

Get better at: CSV, memory optimization, formatting, PyArrow, dates and times, and plotting.

Dec 7, 2023 15 min read paid

BW #43: Financial protection

Get better at: CSV, memory optimization, formatting, PyArrow, dates and times, and plotting.

Dec 6, 2023 3 min read paid

BW #15: Eurovision (solution)

Get better at: CSV files, plotting with Seaborn, using PyArrow, grouping, and sorting.

May 11, 2023 14 min read paid

BW #15: Eurovision

Get better at: CSV files, plotting with Seaborn, using PyArrow, grouping, and sorting.

May 10, 2023 3 min read paid

BW #10: Oil prices (solution)

Get better at: CSV, timing operations, string manipulation, grouping, and PyArrow

Apr 6, 2023 13 min read paid

BW #10: Oil prices