1 files changed, 2 insertions, 0 deletions
diff --git a/src/param.h b/src/param.h
index a6dfac8..aa08b5d 100644
--- a/src/param.h
+++ b/src/param.h
@@ -369,6 +369,8 @@ public:
                    const map<string, double> &mapRS2z, gsl_vector *w,
                    gsl_vector *z, vector<size_t> &vec_cat);
   void UpdateSNP(const map<string, double> &mapRS2wA);
+
+  inline bool is_loco() { return !loco.empty(); }
 };
 
 size_t GetabIndex(const size_t a, const size_t b, const size_t n_cvt);