Utility functions to execute standard ETL operations (using package ff) on large data.

Documentation for package ‘ETLUtils’ version 1.2

ETLUtils-package	Extra utility functions to execute standard ETL operations on large data
ETLUtils	Extra utility functions to execute standard ETL operations on large data
matchmerge	Merge two data frames (fast) by common columns by performing a left (outer) join or an inner join.
naLOCFPlusone	Performs NA replacement by last observation carried forward but adds 1 to the last observation carried forward.
read.dbi.ffdf	Read data from a DBI connection into an ffdf.
read.jdbc.ffdf	Read data from a JDBC connection into an ffdf.
read.odbc.ffdf	Read data from a ODBC connection into an ffdf.
recoder	Recodes the values of a character vector
renameColumns	Renames variables in a data frame.