- See also
- Since
0.1.0
- Companion
- class
Type members
Classlikes
Value members
Concrete methods
Creates a DataFrame from column names and collections, e. g.
Creates a DataFrame from column names and collections, e. g.
val df = DataFrame("col1" -> Seq(0, 1, 2), "col2" -> Seq("a", "b", "c"))
Use the method from to adjust lengths and indices automatically.
This method implements dynamic invocations and should not be called directly.
- Value Params
- args
Tuples name -> collection.
- method
Implements the method
applyandfrom.
- Returns
Created DataFrame.
- Since
0.1.0
Creates a DataFrame from keyword arguments, e.g.
Creates a DataFrame from keyword arguments, e.g.
val df = DataFrame(col1 = Seq(0, 1, 2), col2 = Seq("a", "b", "c"))
This method implements dynamic invocations and should not be called directly.
- Value Params
- kwargs
Keyword argument
name = collection.- method
Implements the method
apply.
- Returns
Created DataFrame.
- Since
0.1.0
Adapter to read a DataFrame from a source. Use e.g.
Adapter to read a DataFrame from a source. Use e.g.
import pd.io.parquet.implicits
to import the respective format and read a DataFrame via
DataFrame.io.parquet.read(...)
import pd.io.parquet.implicits }}} format and read a DataFrame via
DataFrame.io.parquet.read(...)
- Returns
ReadAdapter.
- See also
- Since
0.1.0
Appends row-wise one or multiple DataFrame objects to the first one. The method materializes all indices into a uniform index.
Appends row-wise one or multiple DataFrame objects to the first one. The method materializes all indices into a uniform index.
- Value Params
- df
DataFrame object to be appended.
- Returns
DataFrame with exactly the same columns.
- Throws
- ColumnNotFoundException
If the DataFrame objects to be appended don't have the same columns.
- IllegalOperation
If no DataFrame is passed.
- SeriesCastException
If the underlying types of the columns do not match.
- Since
0.1.0