Update app.R

app.R

@@ -1,3 +1,9 @@
+if (!requireNamespace("lapop", quietly = TRUE)) {
+  message("lapop missing at app start; attempting install (this will print logs).")
+  install.packages("remotes", repos='https://cloud.r-project.org')
+  remotes::install_github('lapop-central/lapop', dependencies=TRUE, force=TRUE, build_vignettes=FALSE, upgrade='never')
+}
+
 library(lapop)
 library(haven)
 library(dplyr)