--- a
+++ b/inst/extdata/Combined_sumstats_PLINK
@@ -0,0 +1,7 @@
+rs4040617 G -0.01553
+rs1891910 A 0.004534
+rs7526076 A 0.0009344
+rs3766192 C 0.008496
+rs9442372 A 0.005956
+rs3737728 A 1.025e-05
+rs9442398 A -0.001364