fixed links

.Rbuildignore

@@ -10,3 +10,4 @@
 ^\.github$
 ^data-raw$
 ^cran-comments\.md$
+^CRAN-SUBMISSION$

DESCRIPTION

@@ -1,6 +1,6 @@
 Package: ggpcp
 Type: Package
-Title: Parallel Coordinate Plots in the ggplot2 Framework
+Title: Parallel Coordinate Plots in the 'ggplot2' Framework
 Version: 0.2.0
 Date: 2022-11-22
 Authors@R: c(

R/data.R

@@ -24,7 +24,7 @@
 #'   \item{surftemp, temperature}{mean surface/near surface air temperature (in Kelvin)}
 #' }
 #'
-#' @source <http://stat-computing.org/dataexpo/2006/>
+#' @source \url{https://community.amstat.org/jointscsg-section/dataexpo/dataexpo2006}
 #' @docType data
 #' @name nasa
 #' @usage nasa
@@ -60,8 +60,9 @@
 #'   \item{G}{scores by pathologist G.}
 #' }
 #' @source
-#' Data published as Table 1 in Landis, J. Richard, and  Koch, Gary G. "An Application of Hierarchical Kappa-type Statistics in the Assessment of Majority Agreement among Multiple Observers." Biometrics 33.2 (1977): 363-74, doi: 10.2307/2529786.
-#' Study and Design in Holmquist, Nelson D., McMahan C.A., Williams O. Dale. Variability in classification of carcinoma in situ of the uterine cervix. Arch Pathol. 1967 Oct;84(4):334-45. PMID: 6045443, doi: 10.1097/00006254-196806000-00023.
+#' Data published as Table 1 in Landis, J. Richard, and  Koch, Gary G. "An Application of Hierarchical Kappa-type Statistics in the Assessment of Majority Agreement among Multiple Observers." Biometrics 33.2 (1977): 363-74, \doi{10.2307/2529786}.
+#'
+#' Study and Design in Holmquist, Nelson D., McMahan C.A., Williams O. Dale. Variability in classification of carcinoma in situ of the uterine cervix. Arch Pathol. 1967 Oct;84(4):334-45. PMID: 6045443, \doi{10.1097/00006254-196806000-00023}.
 #' @docType data
 #' @name Carcinoma
 #' @usage Carcinoma

R/geom-pcp.r

@@ -132,9 +132,9 @@ aes_pcp <- function(x = pcp_x, y = pcp_y, yend = pcp_yend, class = pcp_class, gr
 #' @references
 #' M. d’Ocagne. (1885) *Coordonnées parallèles et axiales: Méthode de transformation géométrique et procédé nouveau de calcul graphique déduits de la considération des coordonnées parallèles.* Gauthier-Villars, page 112, \url{https://archive.org/details/coordonnesparal00ocaggoog/page/n10}.
 #'
-#' Al Inselberg. (1985) *The plane with parallel coordinates.* The Visual Computer, 1(2):69–91,  \url{http://link.springer.com/10.1007/BF01898350}.
+#' Al Inselberg. (1985) *The plane with parallel coordinates.* The Visual Computer, 1(2):69–91,  \doi{10.1007/BF01898350}.
 #'
-#' Ed J. Wegman. (1990) *Hyperdimensional data analysis using parallel coordinates.* Journal of the American Statistical Association, 85:664–675, \url{https://doi.org/10.2307/2290001}.
+#' Ed J. Wegman. (1990) *Hyperdimensional data analysis using parallel coordinates.* Journal of the American Statistical Association, 85:664–675, \doi{10.2307/2290001}.
 #' @export
 #' @return a list consisting of a [ggplot2::layer()] object and its associated scales.
 #' @examples

README.Rmd

@@ -347,7 +347,7 @@ This idea is not new - a function under the very same name was at some point par
 
 ## References
 
-+ Hofmann H., Vendettuoli M.: Common Angle Plots as Perception-True Visualizations of Categorical Associations, IEEE Transactions on Visualization and Computer Graphics, 19(12), 2297-2305, 2013. doi: 10.1109/TVCG.2013.140
++ Hofmann H., Vendettuoli M.: Common Angle Plots as Perception-True Visualizations of Categorical Associations, IEEE Transactions on Visualization and Computer Graphics, 19(12), 2297-2305, 2013. \doi{ 10.1109/TVCG.2013.140}
 + Hurley C.: gclus: Clustering Graphics. R package version 1.3.2.
   https://CRAN.R-project.org/package=gclus
 + Inselberg A., The Plane with Parallel Coordinates, The Visual Computer, 1(2), 69-91, 1985.