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authorArun Isaac2025-12-01 17:41:34 +0000
committerArun Isaac2025-12-01 17:42:30 +0000
commit0b2228b573dc53baaf76f9e17788efebb2463689 (patch)
treea19fc8e616705eaa077c3c06536d63a81f8fbdcf
parent9b426be57a759a9c983a68536dfce8c1c1891c1a (diff)
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README: Add FAQ about standardization. HEAD main
-rw-r--r--README.md6
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diff --git a/README.md b/README.md
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--- a/README.md
+++ b/README.md
@@ -11,6 +11,7 @@ pyhegp is a Python library and CLI utility implementing homomorphic encryption o
 - [How to use](#how-to-use)
   - [Simple data sharing](#simple-data-sharing)
   - [Joint/federated analysis with many data owners](#jointfederated-analysis-with-many-data-owners)
+- [Frequently asked questions (FAQ)](#frequently-asked-questions-faq)
 - [File formats](#file-formats)
 - [Run tests](#run-tests)
 - [License](#license)
@@ -93,6 +94,11 @@ pyhegp cat-phenotype -o complete-phenotype.tsv.hegp phenotype1.tsv.hegp phenotyp
 ```
 Note that all data sharing is carried out-of-band and is outside the scope of `pyhegp`.
 
+# Frequently asked questions (FAQ)
+## Does pyhegp standardize the data?
+
+For each SNP, `pyhegp` standardizes the genotype (so the mean is zero and the standard deviation is one) during encryption. `pyhegp` does NOT standardize the phenotype.
+
 # File formats
 
 See [File formats](doc/file-formats.md) for documentation of file formats used by pyhegp.