CurrentModule = InMemoryDatasets Functions Pages = ["functions.md"] Constructing data set copy repeat! similar Formats removeformat! setformat! Summary information content getinfo ncol ndims nrow setinfo! size Working with column names names propertynames rename rename! Modifying data sets append! flatten flatten! insertcols! map map! mapcols push! repeat repeat! update update! Transposing and reshaping data sets flatten flatten! transpose Joining antijoin antijoin! closejoin closejoin! innerjoin leftjoin leftjoin! outerjoin semijoin semijoin! update update! Filtering rows compare contains deleteat! duplicates first filter filter! last mask unique unique! Working with missing values completecases dropmissing dropmissing! map map! Statistics lag lag! lead lead! rescale stdze topk