Various tweaks to get reference to Feldt (1969) into getPdiff2alphas()

DESCRIPTION

@@ -1,7 +1,7 @@
 Package: CECPfuns
 Type: Package
 Title: Package of Utility Functions for Psychological Therapies, Mental Health and Well-being Work (Created by Chris Evans and Clara Paz)
-Version: 0.0.0.9055
+Version: 0.0.0.9058
 Maintainer: Chris Evans <chris@psyctc.org>
 Description: This should evolve into a repository of all the functions that I (CE)
   and Clara Paz (CP) have created (so far only CE!) and tested enough to
@@ -27,24 +27,26 @@ Encoding: UTF-8
 LazyData: no
 Roxygen: list(markdown = TRUE)
 RoxygenNote: 7.3.2
-RdMacros: mathjaxr
+RdMacros: mathjaxr,
+  Rdpack
 Imports:
-    mathjaxr,
+    clipr,
+    devtools,
+    dplyr,
     ggplot2,
+    Hmisc,
     lubridate,
     magrittr,
+    mathjaxr,
+    methods,
+    quantileCI,
+    Rdpack,
+    readr,
     rlang,
     stringr,
     tibble,
     tidyr,
-    dplyr,
-    Hmisc,
-    methods,
-    tidyselect,
-    readr,
-    devtools,
-    quantileCI,
-    clipr
+    tidyselect
 Remotes: hoehleatsu/quantileCI
 Suggests:
   stats,

NAMESPACE

@@ -37,6 +37,7 @@ export(plotCIPearson)
 export(plotCIProportion)
 export(plotQuantileCIsfromDat)
 export(whichSetOfN)
+importFrom(Rdpack,reprompt)
 importFrom(clipr,clipr_available)
 importFrom(clipr,read_clip)
 importFrom(clipr,write_clip)

NEWS.md

@@ -1,3 +1,9 @@
+# Version 0.0.0.9058
+Various tweaks to get reference to Feldt (1969) into getPdiff2alphas()
+
+# Version 0.0.0.9057
+Tweaks to man page for getPdiff2alphas()
+
 # Version 0.0.0.9056
 Added getPdiff2alphas()
 

R/getPdiff2alphas.R

@@ -10,6 +10,7 @@
 #' @export
 #'
 #' @importFrom stats pf
+#' @importFrom Rdpack reprompt
 #'
 #' @family p-value functions
 #'
@@ -41,7 +42,9 @@
 #' for most therapy measures that fit is very dubious and looking at alpha
 #' values is a solid place to start.
 #'
-#' The maths comes from a 1969 paper by Feldt and is based on the assumption
+#' The maths comes from a 1969 paper by Feldt
+#' \insertCite{feldt_test_1969}{CECPfuns}
+#' and is based on the assumption
 #' that the population distributions (i.e. of the item scores) are all
 #' Gaussian.  I've used the more complicated derivation of the p value from
 #' Feldt's paper as his simpler version is not robust for short measures.
@@ -76,9 +79,12 @@
 #' ### sampling from a population (or populations) where the population
 #' ### alpha values are the same
 #'
+#' @references
+#'    \insertAllCited{}
+#'
 #' @author Chris Evans
 #' @section History/development log:
-#' Created 21.xi.24 based on earlier SAS and S+ versions
+#' Created 12.xi.24 based on earlier SAS and S+ versions
 #'
 getPdiff2alphas <- function(alpha1, alpha2, k, n1, n2) {
   ### program translated from SAS program I wrote, Feldt2.sas

inst/REFERENCES.bib

@@ -0,0 +1,11 @@
+@article{feldt_test_1969,
+	title = {A test of the hypothesis that cronbach's alpha or kuder-richardson coefficent twenty is the same for two tests},
+	volume = {34},
+	abstract = {An approximate statistical test is derived for the hypothesis that the reliability coefficients (Cronbach's α) associated with two measurement procedures are equal. Control of Type I error is investigated by comparing empirical sampling distributions of the test statistic with the theoretical model derived for it. The effect of platykurtosis in the test-score distribution on the test statistic is also considered.},
+	journal = {Psychometrika},
+	author = {Feldt, Leonard S.},
+	year = {1969},
+	keywords = {psychometrics, Cronbach's coefficient alpha, internal consistency, internal reliability, statistics, methodology, significance testing},
+	pages = {363--373},
+	file = {PDF:/home/chris/Zotero/storage/AEJII3X9/Feldt - A test of the hypothesis that cronbach's alpha or kuder-richardson coefficent twenty is the same for.pdf:application/pdf},
+}