# XMovieAge.csv
# Data downloaded from the 1979-2004 Cumulative GSS data file found online
#  at sda.berkeley.edu/cgi-bin/hsda?harscda+gss04.  The file was downloaded
#  on 16Mar07.  All missing data and all variables coded with 8 or 9 were
#  deleted.  The seen variable was called xmovie in the GSS database.
# ID = numeric ID for each respondent
# age = age of respondent
# seen = Respondent's answer to "Have you seen an X-rated movie in the last year?"
# The datafile is very large (~28000 respondents) and is slower than usual in R.