inst/examples/get-word-prob.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("def-model.RDS")
# An object of class EnvManager is created
em <- EnvManager$new(ve = ve)
# The required files are downloaded
ed <- em$setup_env(rf, fn)
# End of environment setup code

# The model file name
mfn <- paste0(ed, "/def-model.RDS")
# ModelPredictor class object is created
mp <- ModelPredictor$new(mf = mfn, ve = ve)
# The probability that the next word is "you" given the prev words "how" and
# "are"
prob <- mp$get_word_prob(word = "you", pw = c("how", "are"))
# The probability is printed
print(prob)

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