BW #80: Inflation (solution)
Get better at: Sorting, filtering, and grouping in Polars
11 min read
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grouping
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BW #80: Inflation
Get better at: Sorting, filtering, and grouping in Polars
3 min read
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BW #79: Cyber attacks (solution)
Get better at: Dates and times, grouping, pivot tables, plotting, and string methods.
12 min read
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BW #79: Cyber attacks
Get better at: Dates and times, grouping, pivot tables, plotting, and string methods.
2 min read
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BW #77: Paris Olympics (solution)
Get better at: Working with APIs, multiple files, grouping, applying functions to a data frame, and GeoPandas
13 min read
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BW #77: Paris Olympics
Get better at: Working with APIs, multiple files, grouping, applying functions to a data frame, and GeoPandas
3 min read
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BW #72: City travel (solution)
Get better at: CSV files, PyArrow, multi-indexes, index operations, plotting, grouping, sorting, correlations, and joins.
14 min read
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BW #71: Holidays
Get better at: CSV files, PyArrow, multi-indexes, index operations, plotting, grouping, sorting, correlations, and joins.
2 min read
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BW #70: Moon missions (solution)
Get better at: Web scraping, string operations, dates and times, regular expressions, filtering, grouping, and plotting.
11 min read
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BW #70: Moon missions
Get better at: Web scraping, string operations, dates and times, regular expressions, filtering, grouping, and plotting.
2 min read
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BW #69: Election participation (solution)
Get better at: Excel, DuckDB, grouping, speed optimization, pivot tables, and window functions.
18 min read
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BW #69: Election participation
Get better at: Excel, DuckDB, grouping, speed optimization, pivot tables, and window functions.
3 min read
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