Get better at: CSV files, string manipulation, cleaning, joins, sorting, plotting, and finding correlations.
Get better at: CSV files, filtering, memory optimization, speed optimization, dummy values, comprehensions
Get better at: CSV files, filtering, memory optimization, speed optimization, dummy values, comprehensions
Get better at: Excel files, cleaning data, dates and times, string operations, sorting, grouping, window functions
Get better at: Excel files, cleaning data, dates and times, string operations, sorting, grouping, window functions
Get better at: Date and time data, CSV, plotting, pivot tables, joins, and correlations
Get better at: Date and time data, CSV, plotting, pivot tables, joins, and correlations
Get better at: CSV, timing operations, string manipulation, grouping, and PyArrow
Get better at: CSV, timing operations, string manipulation, grouping, and PyArrow
Get better at: multiple files, multi-indexes, and grouping
Get better at: multiple files, multi-indexes, and grouping
