Using Pandas groupby to split data into groups, apply aggregate functions, and combine results for powerful data summarization.
Get better at: CSV, PyArrow, missing values, cleaning, grouping, memory optimization, and plotting
Get better at: CSV, PyArrow, missing values, cleaning, grouping, memory optimization, and plotting
Get better at: Scraping, CSV, formatting, grouping, plotting, correlations
Get better at: Scraping, CSV, formatting, grouping, plotting, correlations
Get better at: JSON, multiple files, comprehensions, applying functions, string operations, grouping, stack-unstack, and plotting
Get better at: JSON, multiple files, comprehensions, applying functions, string operations, grouping, stack-unstack, and plotting
Get better at: APIs, grouping, multiple files, stack and unstack, window functions, plotting, and regular expressions.
Get better at: APIs, grouping, multiple files, stack and unstack, window functions, plotting, and regular expressions.
Get better at: Excel, dates and times, missing data, grouping, formatting, using "apply", plotting, and regular expressions
Get better at: Excel, dates and times, missing data, grouping, formatting, using "apply", plotting, and regular expressions
Get better at: APIs, grouping, multiple files, stack and unstack, window functions, plotting, and regular expressions.
Get better at: Excel files, regular expressions, filtering, grouping, plotting, pivot tables, cleaning
