Fix name collision

flake.nix

@@ -27,19 +27,19 @@
           rsienaMod
         ];
         name = "run-calc";
-        runCalc = (pkgs.writeScriptBin name (builtins.readFile ./test_rsiena_installation.R));
+        rRunCalc = (pkgs.writeScriptBin name (builtins.readFile ./test_rsiena_installation.R));
       in rec {
         defaultPackage = packages.runCalc;
         packages = {
           RSiena = rsienaMod;
           runCalc = pkgs.symlinkJoin {
             name = name;
-            paths = [ runCalc rsienaMod ] ++ buildInputs;
+            paths = [ rRunCalc rsienaMod ] ++ buildInputs;
           };
         };
 
         devShells.default = pkgs.mkShell {
-          packages = [ runCalc rsienaMod ] ++ buildInputs;
+          packages = [ rRunCalc rsienaMod ] ++ buildInputs;
         };
       });
 }