For better experience, turn on JavaScript!



A tool for genotype imputation. The FAPI algorithm comprises functions for p-value imputation, meta-analysis, and quality assessment. It does not require phasing or to sample raw genotypes.


Population genetics


  • Operation: Imputation
  • Software interface: Command-line user interface
  • Language: Java
  • Operating system: Linux; Mac OS X,Microsoft Windows
  • License: Not stated
  • Cost: Free
  • Version name: 0.1
  • Maturity: Stable
  • Credit: Hong Kong Research Grants Council GRF HKU, Hong Kong Research Grants Council Theme-Based Research Scheme, European Community Seventh Framework Programme Grant on European Network of National Schizophrenia Networks Studying Gene-Environment Interactions (EU-GEI); the Hong Kong Health and Medical Research Fund, the HKU Seed Funding Programme for Basic Research, the HKU Small Project Funding, The University of Hong Kong Strategic Research Theme on Genomics.
  • Contact: limx54 _at_ | Pak C Sham pcsham _at_
  • Collection: -


Kwan JS, Li MX, Deng JE, Sham PC "FAPI: Fast and accurate P-value Imputation for genome-wide association study." Eur J Hum Genet. 2016 May;24(5):761-6. 26.
PMID: 26306642
PMCID: PMC4930094

Download and documentation

If you find errors, please report here.