Ok, got it , thanks.
On Thu, Jul 9, 2015 at 12:02 PM, prosp4300 prosp4...@163.com wrote:
Seems what Feynman mentioned is the source code instead of documentation,
vectorMean is private, see
A RDD[Double] is an abstraction for a large collection of doubles, possibly
distributed across multiple nodes. The DoubleRDDFunctions are there for
performing mean and variance calculations across this distributed dataset.
In contrast, a Vector is not distributed and fits on your local machine.
hi,
there are some useful functions in DoubleRDDFunctions, which I can use if I
have RDD[Double], eg, mean, variance.
Vector doesn't have such methods, how can I convert Vector to RDD[Double],
or maybe better if I can call mean directly on a Vector?
