BW #25: Entrepreneurship
Get practice with CSV files, pivot tables, window functions, and plotting
3 min read
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pivot-table
A pivot table redisplays information from a data frame in a new way: It uses the unique values from one column as its index, the unique values from a second column for its columns, and then applies an aggregation function to all of the values in each row-column intersection.
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BW #21: Electric cars (solution)
Get practice working with CSV files, plotting with Seaborn, sorting, multi-indexes, and pivot tables.
12 min read
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BW #21: Electric cars
Get practice working with CSV files, plotting with Seaborn, sorting, multi-indexes, and pivot tables.
3 min read
paid
BW #18: World population (solution)
Get better with CSV, memory optimization, plotting, joins, dates and times, pivot tables, and sorting.
13 min read
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BW #18: World population
Get better with CSV, memory optimization, plotting, joins, dates and times, pivot tables, and sorting.
2 min read
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BW #11: Software jobs (solution)
Get better at: Date and time data, CSV, plotting, pivot tables, joins, and correlations
15 min read
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BW #11: Software jobs
Get better at: Date and time data, CSV, plotting, pivot tables, joins, and correlations
3 min read
paid
BW #5: Ukrainian exports (solution)
Get practice working with Excel files, datetime data, pivot tables, grouping, and window functions.
9 min read
paid
BW #5: Ukrainian exports
Get practice working with Excel files, datetime data, pivot tables, grouping, and window functions.
2 min read
paid