R/intellonline.R

In SDAResources: Datasets and Functions for 'Sampling: Design and Analysis, 3rd Edition'

#' intellonline data
#'
#' 
#'Data from the online (Mechanical Turk) survey.
#'The data were downloaded from \href{https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0200103}{PLOS ONE} on February 8, 2020; the variables extracted from the full
#'data set are provided here for educational purposes only.
#'
#'
#' @format This data frame contains the following columns:
#' 
#'\describe{
#'\item{int:}{response to question about agreement with the statement "I
#'am more intelligent than the average person"
#'
#'  1 = Strongly Agree 
#'  
#'  2 = Mostly Agree 
#'  
#'  3 = Mostly Disagree
#'  
#'4 = Strongly Disagree 
#'
#'5 = Don't Know or Not Sure}
#'
#'\item{region:}{census region of respondent (character variable, length 10): 
#'
#'Northeast
#'
#'South
#'  
#'Midwest
#'    
#'West}
#'
#'\item{sex:}{sex (character variable, length 8): 
#'
#'Male
#'
#'Female}
#'
#'\item{race:}{race (character variable, length 18): 
#'
#'White
#'
#'African American
#'
#' Asian American
#'
#'Hispanic American
#'
#'  Another origin}
#'
#'\item{age:}{age, years}
#'\item{income:}{household income level (character variable, length 8):
#'
#'  < $40k,
#'  
#'  $40-80k, 
#'  
#'   > $80k}
#'  
#'  \item{education:}{highest education level attained (character variable, length
#' 12): 
#' 
#' No College
#' 
#'   Some College
#'   
#'     College Grad
#'     
#'       Grad School
#'       
#'       MISSING}
#'  
#' \item{postwt:}{relative weight, obtained by poststratifying to demographic
#'proportions in the 2010 U.S. Census. The weights are normed
#' so that they sum to 750.}
#' }
#'  
#'  
#
#' @docType data
#'
#' @usage data(intellonline)
#'
#'
#'
#' @keywords datasets
#' 
#' @references Heck, P. R., D. J. Simons, and C. F. Chabris (2018). 65\% of Americans believe they
#'are above average in intelligence: Results of two nationally representative surveys. \emph{PloS
#'One 13 (7)}, 1–11.
#'
#' @references Lohr (2021), Sampling: Design and Analysis, 3rd Edition. Boca Raton, FL: CRC Press.
#' 
#'@references Lu and Lohr (2021), R Companion for \emph{Sampling: Design and Analysis, 3rd Edition}, 1st Edition. Boca Raton, FL: CRC Press.
#' 
#'
#' 
#' 
#' 
"intellonline"