fig1
![Discovery of rare variants implicated in schizophrenia using next-generation sequencing](https://image.oaes.cc/1bd7dc43-f8a7-4245-a76a-2b2b893feb1a/2950.fig.1.jpg)
Figure 1. Statistical approaches for common and rare variant association studies. Common variant association studies can detect the association at the SNP-level. However, rare variant association analysis requires collapsing of variants into groups such as gene sets or genes. SNP: single nucleotide polymorphism