fix warning about data documentation

R/xpl-data-exam.R

@@ -0,0 +1,13 @@
+#' Dummy data set for Cochran's Q test
+#'
+#' A dataset containing information about results of three exams.
+#'
+#' @format A data frame with 15 rows and 3 variables:
+#' \describe{
+#'   \item{exam1}{result of exam1}
+#'   \item{exam2}{result of exam2}
+#'   \item{exam3}{result of exam3}
+#' }
+#'
+#' @source \url{http://www.spss-tutorials.com/spss-cochran-q-test/}
+"exam"

R/xpl-data-hsb.R

@@ -0,0 +1,22 @@
+#' High School and Beyond Data Set
+#'
+#' A dataset containing demographic information and standardized test
+#' scores of high school students.
+#'
+#' @format A data frame with 200 rows and 10 variables:
+#' \describe{
+#'   \item{id}{id of the student}
+#'   \item{female}{gender of the student}
+#'   \item{race}{ethnic background of the student}
+#'   \item{ses}{socio-economic status of the student}
+#'   \item{schtyp}{school type}
+#'   \item{prog}{program type}
+#'   \item{read}{scores from test of reading}
+#'   \item{write}{scores from test of writing}
+#'   \item{math}{scores from test of math}
+#'   \item{science}{scores from test of science}
+#'   \item{socst}{scores from test of social studies}
+#' }
+#'
+#' @source \url{http://www.ats.ucla.edu/stat/spss/whatstat/whatstat.htm}
+"hsb"

R/xpl-data-treatment.R

@@ -0,0 +1,11 @@
+#' Dummy data set for 2 Sample Proportion test
+#'
+#' A dataset containing information about two treatments
+#'
+#' @format A data frame with 50 rows and 2 variables:
+#' \describe{
+#'   \item{treatment1}{result of treatment type 1}
+#'   \item{treatment2}{result of treatment type 2}
+#' }
+#'
+"treatment"