
BW #107: Consumer confidence (solution)
Get better at: CSV files, dates and times, filtering, regular expressions, correlations, and plotting
Get better at: CSV files, dates and times, filtering, regular expressions, correlations, and plotting
Get better at: CSV files, dates and times, filtering, regular expressions, correlations, and plotting
Get better at: Working with Excel files, filtering, plotting, and joins
Get better at: Working with Excel files, filtering, plotting, and joins
Get better at: Filtering, multli-indexes, grouping, pivot tables, plotting, and interpolation
Get better at: Filtering, multli-indexes, grouping, pivot tables, plotting, and interpolation
Get better at: Grouping, pivot tables, sorting, plotting, and filtering
Get better at: Grouping, pivot tables, sorting, plotting, and fitlering
Get better at: Sorting, filtering, and grouping in Polars
Get better at: Sorting, filtering, and grouping in Polars
Get better at: CSV, filtering, regular expressions, multiple files, index operations, window functions, stack and unstack, multi-indexes, and plotting
Get better at: CSV, filtering, regular expressions, multiple files, index operations, window functions, stack and unstack, multi-indexes, and plotting