grouping

BW #34: House of Representatives (solution)

Get better at: CSV files, memory optimization, grouping, stack/unstack, window functions, and sorting.

Oct 5, 2023 16 min read paid

BW #34: House of Representatives

Get better at: CSV files, memory optimization, grouping, stack/unstack, window functions, and sorting.

Oct 4, 2023 3 min read paid

BW #33: Fracking (solution)

Get practice with CSV files, multiple files, comprehensions, dates and times, formatting, missing data, plotting, and grouping.

Sep 28, 2023 19 min read paid

BW #33: Fracking

Get practice with CSV files, multiple files, comprehensions, dates and times, formatting, missing data, plotting, and grouping.

Sep 27, 2023 3 min read paid

BW #29: Auto accidents (solution)

Get practice with CSV, dates and times, grouping, window functions, pivot tables, and plotting.

Aug 24, 2023 15 min read paid

BW #29: Auto accidents

Get practice with CSV, dates and times, grouping, window functions, pivot tables, and plotting.

Aug 23, 2023 3 min read paid

BW #24: Wildfire smoke (solution)

Get practice working with multiple files, comprehensions, grouping, plotting, and GeoPandas

Jul 13, 2023 12 min read paid

BW #24: Wildfire smoke

Get practice working with multiple files, comprehensions, grouping, plotting, and GeoPandas

Jul 12, 2023 4 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 #12: Tourism (solution)

Get better at: Excel files, cleaning data, dates and times, string operations, sorting, grouping, window functions

Apr 20, 2023 17 min read paid

BW #12: Tourism