| F1 | DataFrame.Functions |
| f1FromBinary | DataFrame.Functions |
| f1FromCounts | DataFrame.Functions |
| fastReadCsvUnstable | DataFrame.IO.Unstable.CSV, DataFrame |
| field | DataFrame.Lazy.IO.CSV |
| fieldId | DataFrame.IO.Parquet.Thrift |
| FileMetaData | DataFrame.IO.Parquet.Thrift |
| FileMetadata | DataFrame.IO.Parquet.Thrift |
| fileOffset | DataFrame.IO.Parquet.Thrift |
| fillCenter | DataFrame.Display.Terminal.PrettyPrint |
| fillColumns | DataFrame.Lazy.IO.CSV |
| Filler | DataFrame.Display.Terminal.PrettyPrint |
| fillLeft | DataFrame.Display.Terminal.PrettyPrint |
| fillRight | DataFrame.Display.Terminal.PrettyPrint |
| Filter | DataFrame.Lazy.Internal.DataFrame, DataFrame.Lazy |
| filter | |
| 1 (Function) | DataFrame.Operations.Subset, DataFrame |
| 2 (Function) | DataFrame.Lazy.Internal.DataFrame, DataFrame.Lazy |
| filterAllJust | DataFrame.Operations.Subset, DataFrame |
| filterAllNothing | DataFrame.Operations.Subset, DataFrame |
| filterBy | DataFrame.Operations.Subset, DataFrame |
| filterByVector | DataFrame.Operations.Subset |
| filterJust | DataFrame.Operations.Subset, DataFrame |
| filterNothing | DataFrame.Operations.Subset, DataFrame |
| filterWhere | DataFrame.Operations.Subset, DataFrame |
| findIndices | DataFrame.Internal.Column |
| firstOrNothing | DataFrame.Functions |
| fitClassifier | DataFrame.Functions |
| fitRegression | DataFrame.Functions |
| FLOAT16_TYPE | DataFrame.IO.Parquet.Types |
| FloatingIf | DataFrame.Internal.Types |
| FloatingTypes | DataFrame.Internal.Types |
| fold | DataFrame.Operations.Core, DataFrame |
| footerSigningKeyMetadata | DataFrame.IO.Parquet.Thrift |
| footerSize | DataFrame.IO.Parquet.Thrift |
| freezeBuilderColumn | DataFrame.IO.CSV |
| freezeColumn | DataFrame.Lazy.IO.CSV |
| freezeColumn' | DataFrame.Internal.Column |
| freezePagedUnboxedVector | DataFrame.IO.CSV |
| freezePagedVector | DataFrame.IO.CSV |
| frequencies | DataFrame.Operations.Statistics, DataFrame |
| fromAny | DataFrame.Internal.Row, DataFrame |
| fromList | DataFrame.Internal.Column, DataFrame |
| fromNamedColumns | DataFrame.Operations.Core, DataFrame |
| fromRows | DataFrame.Operations.Core, DataFrame |
| fromUnboxedVector | DataFrame.Internal.Column, DataFrame |
| fromUnnamedColumns | DataFrame.Operations.Core, DataFrame |
| fromVector | DataFrame.Internal.Column, DataFrame |
| fullDataframe | DataFrame.Internal.DataFrame |
| fullOuterJoin | DataFrame.Operations.Join, DataFrame |
| FULL_OUTER | DataFrame.Operations.Join, DataFrame |