csv

BW #72: City travel (solution)

Get better at: CSV files, PyArrow, multi-indexes, index operations, plotting, grouping, sorting, correlations, and joins.

Jun 27, 2024 14 min read paid

BW #71: Holidays

Get better at: CSV files, PyArrow, multi-indexes, index operations, plotting, grouping, sorting, correlations, and joins.

Jun 19, 2024 2 min read paid

BW #67: Electric cars (solution)

Get better with: CSV, pivot tables, window functions, the "pipe" method, stack and unstack, grouping, and formatting.

Jun 18, 2024 10 min read paid

BW #67: Electric cars

Get better with: CSV, pivot tables, window functions, the "pipe" method, stack and unstack, grouping, and formatting.

Jun 18, 2024 3 min read paid

BW #66: Pittsburgh (solution)

Get better with: CSV files, dates and times, plotting, pivot tables, and the "where" method

Jun 18, 2024 12 min read paid

BW #66: Pittsburgh

Get better with: CSV files, dates and times, plotting, pivot tables, and the "where" method

Jun 18, 2024 2 min read paid

BW #65: Microplastics (solution)

Get better with: CSV files, dates and times, plotting, grouping, and string operations

Jun 18, 2024 13 min read paid

BW #65: Microplastics

Get better with: CSV files, dates and times, plotting, grouping, and string operations

Jun 18, 2024 3 min read paid

BW #60: Iceland (solution)

Get better at: Web scraping, regular expressions, joins, CSV, plotting, and pivot tables

Apr 4, 2024 15 min read paid

BW #60: Iceland

Get better at: Web scraping, regular expressions, joins, CSV, plotting, and pivot tables

Apr 3, 2024 3 min read paid

BW #59: Long covid (solution)

Get better at: CSV, dates and times, multi-indexes, plotting, filtering, and grouping

Mar 28, 2024 9 min read paid

BW #59: Long covid