EnglishLetterFrequency
                        The vector of letter frequencies in English.
FSW                     The data from the study of Polish
                        upper-secondary schools students.
bash_history            The history of recently executed commands.
dataFSW                 The data from the study of Polish
                        upper-secondary schools students.
employees               The database with employees of Faculty of
                        Electronics and Information Technology of
                        Warsaw University of Technology.
food                    The food data from Rijksinstituut voor
                        Volksgezondheid en Milieu
frequon                 The Frequon (Frequency Analysis) Game
guns                    The three messages to be decoded.
logs                    The history of logs into the Proton server
proton                  The Proton Game
read_gpx                Read GPX File
regression              The Regression Game
top1000passwords        The vector of 1000 most popular passwords.
top100commonWords       The vector of 100 most common words in English.
varLabels               The data frame containng labels of the
                        variables from 'dataDNiP' and 'DNiP' datasets.
wikiquotes              List with quotes in 18 languages.
