| IdentityCase | DataFrame.Typed, DataFrame.Typed.Generic |
| ifThenElse | |
| 1 (Function) | DataFrame, DataFrame.Functions, DataFrame.Operators |
| 2 (Function) | DataFrame.Typed, DataFrame.Typed.Expr, DataFrame.Typed.Lazy |
| Impute | DataFrame.Typed, DataFrame.Typed.Schema |
| impute | |
| 1 (Function) | DataFrame, DataFrame.Operations.Transformations |
| 2 (Function) | DataFrame.Typed, DataFrame.Typed.Operations |
| imputeCore | DataFrame.Operations.Transformations |
| imputeM | DataFrame.Monad |
| ImputeOp | DataFrame.Operations.Transformations |
| imputeWith | DataFrame, DataFrame.Operations.Statistics |
| includeZero | |
| 1 (Function) | DataFrame.Display.Web.Plot |
| 2 (Function) | DataFrame.Display.Web.Plot |
| 3 (Function) | DataFrame.Display.Web.Chart |
| 4 (Function) | DataFrame.Display.Web.Chart.Typed |
| IndexPageHeader | |
| 1 (Type/Class) | DataFrame.IO.Parquet.Thrift |
| 2 (Data Constructor) | DataFrame.IO.Parquet.Thrift |
| INDEX_PAGE | DataFrame.IO.Parquet.Thrift |
| InferFromSample | DataFrame, DataFrame.IO.CSV |
| inferTypes | DataFrame.Lazy.IO.CSV |
| INNER | DataFrame, DataFrame.Operations.Join |
| innerJoin | |
| 1 (Function) | DataFrame.Typed.Lazy |
| 2 (Function) | DataFrame, DataFrame.Operations.Join |
| 3 (Function) | DataFrame.Typed, DataFrame.Typed.Join |
| InnerJoinSchema | DataFrame.Typed, DataFrame.Typed.Schema |
| innerKernel | DataFrame.Operations.Join |
| insert | |
| 1 (Function) | DataFrame, DataFrame.Operations.Core |
| 2 (Function) | DataFrame.Typed, DataFrame.Typed.Operations |
| insertColumn | |
| 1 (Function) | DataFrame, DataFrame.Core |
| 2 (Function) | DataFrame.Typed, DataFrame.Typed.Operations |
| insertM | DataFrame.Monad |
| insertUnboxedVector | |
| 1 (Function) | DataFrame, DataFrame.Operations.Core |
| 2 (Function) | DataFrame.Typed |
| insertVector | |
| 1 (Function) | DataFrame, DataFrame.Operations.Core |
| 2 (Function) | DataFrame.Typed, DataFrame.Typed.Operations |
| insertVectorWithDefault | |
| 1 (Function) | DataFrame, DataFrame.Operations.Core |
| 2 (Function) | DataFrame.Typed |
| insertWithDefault | |
| 1 (Function) | DataFrame, DataFrame.Operations.Core |
| 2 (Function) | DataFrame.Typed |
| inspectM | DataFrame.Monad |
| INT32 | DataFrame.IO.Parquet.Thrift |
| int32Decoder | DataFrame.IO.Parquet.Page |
| INT64 | DataFrame.IO.Parquet.Thrift |
| int64Decoder | DataFrame.IO.Parquet.Page |
| INT96 | DataFrame.IO.Parquet.Thrift |
| int96Decoder | DataFrame.IO.Parquet.Page |
| int96ToUTCTime | DataFrame.IO.Parquet.Time |
| IntAssumption | DataFrame.Operations.Typing |
| InternalException | DataFrame, DataFrame.Errors |
| interpretNamed | DataFrame.Operations.Aggregation |
| interQuartileRange | DataFrame, DataFrame.Operations.Statistics |
| intersect | |
| 1 (Function) | DataFrame |
| 2 (Function) | DataFrame.Typed, DataFrame.Typed.Operations |
| INTERVAL | DataFrame.IO.Parquet.Thrift |
| IntType | |
| 1 (Type/Class) | DataFrame.IO.Parquet.Thrift |
| 2 (Data Constructor) | DataFrame.IO.Parquet.Thrift |
| INT_16 | DataFrame.IO.Parquet.Thrift |
| INT_32 | DataFrame.IO.Parquet.Thrift |
| INT_64 | DataFrame.IO.Parquet.Thrift |
| INT_8 | DataFrame.IO.Parquet.Thrift |
| int_bitWidth | DataFrame.IO.Parquet.Thrift |
| int_isSigned | DataFrame.IO.Parquet.Thrift |
| InvalidReadOptions | |
| 1 (Type/Class) | DataFrame.IO.CSV |
| 2 (Data Constructor) | DataFrame.IO.CSV |
| IsElem | DataFrame.Typed.Schema |
| isHaskellIdentifier | DataFrame.Functions |
| isJust | |
| 1 (Function) | DataFrame.Typed, DataFrame.Typed.Expr, DataFrame.Typed.Lazy |
| 2 (Function) | DataFrame.Functions |
| isNothing | |
| 1 (Function) | DataFrame.Typed, DataFrame.Typed.Expr, DataFrame.Typed.Lazy |
| 2 (Function) | DataFrame.Functions |
| isNotNull | DataFrame.Functions |
| isNull | DataFrame.Functions |
| isNullishOrMissing | DataFrame.Operations.Typing |
| isNumeric | DataFrame, DataFrame.Core |
| IsRealType | DataFrame.Typed, DataFrame.Typed.Schema |
| isReservedId | DataFrame.Functions |
| isVarId | DataFrame.Functions |