Selecting subsets of data in Pandas using boolean indexing, loc, iloc, query, and other filtering techniques.
Get better at: ECSV 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: Excel files, dates and times, regular expressions, filtering, joins, grouping, plotting with Plotly, and correlations.
Get better at: Excel files, dates and times, regular expressions, filtering, joins, grouping, plotting with Plotly, and correlations.
Get better at: Working with CSV, working with Excel, grouping, joining, dates and times, and plotting.
Get better at: Working with CSV, working with Excel, grouping, joining, dates and times, and plotting.
Get better at: Working with CSV, grouping, regular expressions, and filtering.
Get better at: Working with CSV, grouping, regular expressions, and filtering.
Get better at: Working with multiple Excel files, filtering, regular expressions, multi-indexes, window functions, styling, and plotting with Plotly.
Get better at: Working with multiple Excel files, filtering, regular expressions, multi-indexes, window functions, styling, and plotting with Plotly.
Get better at: CSV files, PyArrow, reducing memory usage, working with dates and times, pivot tables, and plotting.
Get better at: CSV files, PyArrow, reducing memory usage, working with dates and times, pivot tables, and plotting.
