chunkR (version 1.0.0)

reader methods: Manipulation methods for reader objects

Description

Reader objects can be manipulated with the following methods:

1. next_chunk: allows to read the next chunk of a reader object

2. get_matrix: retrieve the current data chunk contained in the object, as matrix

3. get_dataframe: retrieves the current data chunk, as a data frame

In addition, this information can be retrieved from reader objects:

1. get_completed: get the number of rows already read

2. get_colnames: get column names of the reader object

Usage

next_chunk(obj)
# S4 method for reader
next_chunk(obj)
get_matrix(obj)
# S4 method for reader
get_matrix(obj)
get_dataframe(obj)
# S4 method for reader
get_dataframe(obj)
get_completed(obj)
# S4 method for reader
get_completed(obj)
get_colnames(obj)
# S4 method for reader
get_colnames(obj)

Arguments

obj

object of class reader

Details

See reader for examples.