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.
Get better at: web scraping, handling multiple files, multi-indexes, cleaning data, pivot tables, and plotting with Plotly.
Get better at: Agentic coding, CSV files, plotting with Plotly, grouping, and pivot tables.
Get better at: Agentic coding, CSV files, plotting with Plotly, grouping, and pivot tables.
Get better at: JSON files, cleaning data, multi-indexes, plotting with Plotly, and pivot tables
Get better at: JSON files, cleaning data, multi-indexes, plotting with Plotly, and pivot tables
Get better at: CSV files, cleaning data, joins, pivot tables, and using Polars.
Get better at: ECSV files, cleaning data, joins, pivot tables, and using Polars.
Get better at: AI queries, working with Excel files, grouping, pivot tables, and plotting.
Get better at: AI queries, working with Excel files, grouping, pivot tables, and plotting.
Get better at: Working with CSV files, plotting with Plotly, cleaning data, grouping, pivot tables, window functions, and datetime values.
Get better at: Working with CSV files, plotting with Plotly, cleaning data, grouping, pivot tables, window functions, and datetime values.
Get better at: Working with APIs, grouping, dates and times, and plotting with Plotly.
