What is the equivalent of summarize field in QGIS
QGIS has a Statistics Panel that allows you to view a long list of descriptive statistics for whichever vector layer you choose. To open the statistical summary tool, either click View -> Statistical Summary
OR View -> Panels -> Statistics Panel
, Or you can use this icon on the toolbar and you will get statistical description for any vector layer but only for fields with numerical types like real, integer, and long integer types. It will not work for fields of type text (string).
This an example of land use vector data: