Get the @link{Data} by its name as an Option.
Get the @link{Data} by its name as an Option.
the name of the @link{Data}
Some(data) if it is present in the data set None otherwise
Test if a variable with a given name is present in the data set.
Test if a variable with a given name is present in the data set.
the name of the @link{Data}
true if the variable with a matching name is present in the data set false otherwise
(Changed in version 2.9.0) The behavior of scanRight
has changed. The previous behavior can be reproduced with scanRight.reverse.
(Changed in version 2.9.0) transpose
throws an IllegalArgumentException
if collections are not uniformly sized.