changed storage mode

DESCRIPTION

 Package: sozoekdsexam
 Title: Datapackage for the exam to the Course "Datascience for Socioeconomists" at University of Hamburg, Department of Socioeconomics
-Version: 0.0.0.2
+Version: 0.0.0.3
 Authors@R: 
   person("Lisa Marie", "Wegner", , "lisamarie.wegner@uni-hamburg.de", role = c("aut", "cre"), comment=c(ORCID=0009-0004-2234-3052))
 Description: Package includes data sets that are known from our course. There are additional data sets that will be used within the exam.
@@ -14,3 +14,4 @@ RoxygenNote: 7.3.1
 Depends: 
     R (>= 3.5.0)
 LazyData: true
+LazyDataCompression: xz