csv

BW #57: International arms trade (solution)

Get better at: CSV files, grouping, stack and unstack, window functions, and plotting

Mar 14, 2024 14 min read paid

BW #57: International arms trade

Get better at: CSV files, grouping, stack and unstack, window functions, and plotting

Mar 13, 2024 2 min read paid

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 #52: Border encounters (solution)

Get better at: CSV, dates and times, plotting, grouping, multi-indexes, and stack-unstack.

Feb 8, 2024 14 min read paid

BW #52: Border encounters

Get better at: CSV, dates and times, plotting, grouping, multi-indexes, and stack-unstack.

Feb 7, 2024 3 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 #50: Red Sea shipping (solution)

Get better at: CSV, multiple files, filtering, regular expressions, dates and times, window functions

Jan 25, 2024 14 min read paid

BW #50: Red Sea shipping