adding citation

inst/CITATION

@@ -0,0 +1,20 @@
+if (!exists("meta") || is.null(meta)) meta <- packageDescription("spOccupancy")
+
+year <- sub(".*(2[[:digit:]]{3})-.*", "\\1", meta$Date, perl = TRUE)
+vers <- paste("R package version", meta$Version)
+
+bibentry(bibtype = "Article",
+  title        = "{spAbundance: An R package for univariate and multivariate spatially-explicit abundance models}",
+  author       = c(as.person("Jeffrey W. Doser"), as.person("Andrew O. Finley"), as.person("Marc Kéry"), as.person("Elise F. Zipkin")),
+  journal      = "arXiv Preprint",
+  year         = "2023",
+  volume       = "",
+  number       = "",
+  pages        = "",
+  url          = "",
+
+  textVersion  =
+  paste("Doser, J. W., Finley A. O., Kéry, M., & Zipkin E. F. (2022).",
+        "spAbundance: An R package for univariate and multivariate spatially-explicit abundance models",
+        "arXiv Preprint.")
+)

src/init.cpp

@@ -21,15 +21,20 @@ static const R_CallMethodDef CallEntries[] = {
     {"spNMixNNGP", (DL_FUNC) &spNMixNNGP, 64},
     {"spNMixNNGPPredict", (DL_FUNC) &spNMixNNGPPredict, 22},
     {"msNMix", (DL_FUNC) &msNMix, 53},
-    {"lfMsNMix", (DL_FUNC) &lfMsNMix, 54},
+    {"lfMsNMix", (DL_FUNC) &lfMsNMix, 55},
     {"sfMsNMixNNGP", (DL_FUNC) &sfMsNMixNNGP, 65},
     {"sfMsNMixNNGPPredict", (DL_FUNC) &sfMsNMixNNGPPredict, 22},
     {"DS", (DL_FUNC) &DS, 49},
     {"spDSNNGP", (DL_FUNC) &spDSNNGP, 63},
+    {"msDS", (DL_FUNC) &msDS, 57},
+    {"lfMsDS", (DL_FUNC) &lfMsDS, 59},
+    {"sfMsDSNNGP", (DL_FUNC) &sfMsDSNNGP, 65},
     {"waicAbund", (DL_FUNC) &waicAbund, 13},
     {"checkAlphaDS", (DL_FUNC) &checkAlphaDS, 20},
     {"checkMSAlphaDS", (DL_FUNC) &checkMSAlphaDS, 20},
+    {"svcAbundNNGP", (DL_FUNC) &svcAbundNNGP, 46},
     {"svcAbundNNGPPredict", (DL_FUNC) &svcAbundNNGPPredict, 25},
+    {"svcMsAbundGaussianNNGP", (DL_FUNC) &svcMsAbundGaussianNNGP, 50},
     {"svcMsAbundGaussianNNGPPredict", (DL_FUNC) &svcMsAbundGaussianNNGPPredict, 27},
     {NULL, NULL, 0}
 };