inst/examples/clean-file.R

In wordpredictor: Develop Text Prediction Models Based on N-Grams

# Start of environment setup code
# The level of detail in the information messages
ve <- 2
# The name of the folder that will contain all the files. It will be created in
# the current directory. NULL implies tempdir will be used.
fn <- NULL
# The required files. They are default files that are part of the package
rf <- c("test.txt")
# An object of class EnvManager is created
em <- EnvManager$new(ve = ve, rp = "./")
# The required files are downloaded
ed <- em$setup_env(rf, fn)
# End of environment setup code

# The cleaned test file name
cfn <- paste0(ed, "/test-clean.txt")
# The test file name
fn <- paste0(ed, "/test.txt")
# The data cleaning options
dc_opts <- list("output_file" = cfn)
# The data cleaner object is created
dc <- DataCleaner$new(fn, dc_opts, ve = ve)
# The sample file is cleaned
dc$clean_file()

# The test environment is removed. Comment the below line, so the files
# generated by the function can be viewed
em$td_env()