DataFrameOps
Pimped data frame with Scala style methods.
Value parameters
- data
-
a data frame.
Attributes
- Graph
-
- Supertypes
Members list
Value members
Concrete methods
Returns a new DataFrame without given column indices.
Returns a new DataFrame without given column indices.
Attributes
Tests if a predicate holds for at least one row of data frame.
Tests if a predicate holds for at least one row of data frame.
Attributes
Selects all rows which satisfy a predicate.
Selects all rows which satisfy a predicate.
Attributes
Finds the first row satisfying a predicate.
Finds the first row satisfying a predicate.
Attributes
Tests if a predicate holds for all rows of data frame.
Tests if a predicate holds for all rows of data frame.
Attributes
Applies a function for its side-effect to every row.
Applies a function for its side-effect to every row.
Attributes
Partitions the DataFrame into a map of DataFrames according to some discriminator function.
Partitions the DataFrame into a map of DataFrames according to some discriminator function.
Type parameters
- K
-
the type of keys returned by the discriminator function.
Value parameters
- f
-
the discriminator function.
Attributes
- Returns
-
A map from keys to DataFrames
Builds a new data collection by applying a function to all rows.
Builds a new data collection by applying a function to all rows.
Attributes
Returns a new data frame with row indexing.
Returns a new data frame with row indexing.
Attributes
Partitions this DataFrame in two according to a predicate.
Partitions this DataFrame in two according to a predicate.
Value parameters
- p
-
the predicate on which to partition.
Attributes
- Returns
-
a pair of DataFrames: the first DataFrame consists of all elements that satisfy the predicate
pand the second DataFrame consists of all elements that don't. The relative order of the elements in the resulting DataFramess is the same as in the original DataFrame.
Selects a new DataFrame with given column indices.
Selects a new DataFrame with given column indices.
Attributes
Converts the tuple to a JSON array.
Converts the tuple to a JSON array.