Reference object of class datastream_ffdf.
This is a class which inherits from class datastream and which can be used to read in a stream
from a ffdf from the ff package.
Value
A class of type datastream_ffdf which contains
data:
The ffdf to extract instances from
all fields of the datastream superclass:
See datastream
Arguments
data
a data.frame to extract data from in a streaming way
Methods
get_points(n) Get data from a datastream object.
n
integer, indicating the number of instances to retrieve from the datastream
## You need to load package ff before you can use datastream_ffdfrequire(ff)
irisff <- as.ffdf(factorise(iris))
x <- datastream_ffdf(data=irisff)
x$get_points(10)
x
x$get_points(10)
x