csv

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 #42: Plant hardiness (solution)

Get better at: CSV files, index operations, string operations, multi-indexes, cleaning, and plotting.

Nov 30, 2023 15 min read paid

BW #42: Plant hardiness

Get better at: CSV files, index operations, string operations, multi-indexes, cleaning, and plotting.

Nov 29, 2023 3 min read paid

BW #39: WeWork (solution)

Get better at: CSV files, dates and times, joins, plotting, and correlations.

Nov 9, 2023 15 min read paid

BW #39: WeWork

Get better at: CSV files, dates and times, joins, plotting, and correlations.

Nov 8, 2023 4 min read paid

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