SummaryColumnIDs The summary data frame column identifiers. Declarationenum SummaryColumnIDs TopicsType PropertiescolumnNamefirstQuartilemaximummeanmedianminimummodenoneCountsomeCountstandardDeviationthirdQuartileuniqueCount RelationshipsConforms ToSendableSendableMetatype See AlsoSummarizing a Data Framesummary()summary(of:)summary(ofColumns:)