Index - N
| name | DataFrame.Functions |
| nameOfColumn | DataFrame.Operations.Core |
| NANOSECONDS | DataFrame.IO.Parquet.Types |
| nestedTypeException | DataFrame.Internal.Expression |
| newGrowingUnboxedVector | DataFrame.IO.CSV |
| newGrowingVector | DataFrame.IO.CSV |
| NoHeader | DataFrame.IO.CSV, DataFrame |
| NoInference | DataFrame.IO.CSV, DataFrame |
| NonColumnReferenceException | DataFrame.Errors, DataFrame |
| nonNullValues | DataFrame.Operations.Core |
| normalize | DataFrame.Internal.Expression |
| not | DataFrame.Functions |
| null | DataFrame.Internal.DataFrame, DataFrame |
| nullFirst | DataFrame.IO.Parquet.Types |
| nulls | DataFrame.Operations.Core |
| nullValues | DataFrame.Operations.Core |
| numChildren | DataFrame.IO.Parquet.Thrift |
| numElements | DataFrame.Internal.Column |
| Numeric | DataFrame.Internal.Types |
| numRows | DataFrame.IO.Parquet.Thrift |