Update and remove defunct material

Author: kjhealy

.Rbuildignore

@@ -14,3 +14,4 @@ claude.md
 ^\.claude$
 ^_pkgdown\.yml$
 ^pkgdown$
+.Rhistory

.gitignore

@@ -1,4 +1,5 @@
 .Rproj.user
+.Rhistory
 pkgdown
 docs
 .claude

DESCRIPTION

@@ -8,14 +8,13 @@ Maintainer: Kieran Healy <kjhealy@gmail.com>
 Description: Supporting materials for a course and book on data visualization. Second edition. It contains utility functions for graphs and several sample data sets. See Healy (2019) <ISBN 978-0691181622>.
 License: MIT + file LICENSE
 Depends: R (>= 4.5)
-Imports: dplyr, fs, ggplot2 (>= 4.0.0), graphics, grid, magrittr,
-    rlang, systemfonts, tibble
+Imports: ggplot2 (>= 4.0.0), graphics, grid, magrittr, systemfonts, tibble
 Encoding: UTF-8
 LazyData: true
 LazyDataCompression: xz
 URL: http://kjhealy.github.io/socviz/
 BugReports: https://github.com/kjhealy/socviz/issues
 RoxygenNote: 7.3.3
 NeedsCompilation: no
-Packaged: 2025-07-14 10:33:37 UTC; kjhealy
+Packaged: 2026-03-16 14:52:12 UTC; kjhealy
 Author: Kieran Healy [aut, cre]

NAMESPACE

@@ -5,13 +5,10 @@ export("%nin%")
 export(center_df)
 export(color_comp)
 export(color_pal)
-export(freq_tab)
 export(int_to_year)
-export(lay_out)
 export(prefix_replace)
 export(prefix_strip)
 export(round_df)
-export(setup_course_notes)
 export(theme_socviz)
 export(theme_socviz_map)
 export(tw_tab)

R/data.r

@@ -300,43 +300,6 @@
 #' @source Macro-economic and spending data: OECD. Other data: Kieran Healy.
 "organdata"
 
-
-#' Dates in character form
-#'
-#' A table of dates and observations with the date column stored as a
-#' character string.
-#'
-#' @docType data
-#' @keywords datasets
-#' @name bad_date
-#' @format A tibble with 10 rows and two columns.
-#' @source Chris Delcher.
-"bad_date"
-
-
-#' An untidy table of data
-#'
-#' A table of data from Wickham (2014).
-#'
-#' @docType data
-#' @keywords datasets
-#' @name preg
-#' @format A tbl_df with 3 rows and 3 columns.
-#' @source Hadley Wickham (2014).
-"preg"
-
-
-#' A wider table of untidy data
-#'
-#' A second table of data from Wickham (2014).
-#'
-#' @docType data
-#' @keywords datasets
-#' @name preg2
-#' @format An tbl_df object (inherits from tbl, data.frame) with 2 rows and 4 columns.
-#' @source Hadley Wickham (2014).
-"preg2"
-
 ##' A table of survival rates from the Titanic
 ##'
 ##' A small table of survival rates from the Titanic, by sex