| take | DataFrame.Operations.Subset, DataFrame |
| takeColumn | DataFrame.Internal.Column |
| takeLast | DataFrame.Operations.Subset, DataFrame |
| takeLastColumn | DataFrame.Internal.Column |
| TColumn | DataFrame.Internal.Column |
| TextType | DataFrame.IO.CSV |
| THOMAS | DataFrame.IO.Parquet.Types |
| TimestampType | DataFrame.IO.Parquet.Types |
| TimeType | DataFrame.IO.Parquet.Types |
| TimeUnit | DataFrame.IO.Parquet.Types |
| TIME_UNIT_UNKNOWN | DataFrame.IO.Parquet.Types |
| toAny | DataFrame.Internal.Row, DataFrame |
| toColumnRep | DataFrame.Internal.Column |
| toDouble | DataFrame.Functions |
| toDoubleMatrix | DataFrame.Internal.DataFrame, DataFrame |
| toDoubleVector | DataFrame.Internal.Column |
| toFloatMatrix | DataFrame.Internal.DataFrame, DataFrame |
| toFloatVector | DataFrame.Internal.Column |
| toIntegralType | DataFrame.IO.Parquet.Thrift |
| toIntMatrix | DataFrame.Internal.DataFrame, DataFrame |
| toIntVector | DataFrame.Internal.Column |
| toList | DataFrame.Internal.Column, DataFrame |
| toMarkdownTable | DataFrame.Internal.DataFrame, DataFrame |
| toMaybeBool | DataFrame.IO.Parquet.Dictionary |
| toMaybeDouble | DataFrame.IO.Parquet.Dictionary |
| toMaybeFloat | DataFrame.IO.Parquet.Dictionary |
| toMaybeInt32 | DataFrame.IO.Parquet.Dictionary |
| toMaybeInt64 | DataFrame.IO.Parquet.Dictionary |
| toMaybeText | DataFrame.IO.Parquet.Dictionary |
| toMaybeUTCTime | DataFrame.IO.Parquet.Dictionary |
| toPct2dp | DataFrame.Operations.Statistics |
| toRowList | DataFrame.Internal.Row, DataFrame |
| toRowVector | DataFrame.Internal.Row, DataFrame |
| totalByteSize | DataFrame.IO.Parquet.Thrift |
| totalCompressedSize | DataFrame.IO.Parquet.Thrift |
| totalRows | DataFrame.Lazy.IO.CSV |
| toTType | DataFrame.IO.Parquet.Thrift |
| toVector | DataFrame.Internal.Column, DataFrame |
| TType | DataFrame.IO.Parquet.Thrift |
| TypedColumn | DataFrame.Internal.Column |
| TypeErrorContext | DataFrame.Errors, DataFrame |
| typeFromString | DataFrame.Functions |
| typeInferenceSampleSize | DataFrame.IO.CSV |
| typeLength | DataFrame.IO.Parquet.Thrift |
| typeMismatchError | DataFrame.Errors, DataFrame |
| TypeMismatchException | DataFrame.Errors, DataFrame |
| typeOfColumn | DataFrame.Operations.Core |
| TypeSpec | DataFrame.IO.CSV, DataFrame |
| typeSpec | DataFrame.IO.CSV, DataFrame |
| TYPE_ORDER | DataFrame.IO.Parquet.Types |