1 files changed, 13 insertions, 0 deletions
diff --git a/r_qtl/r_qtl2.py b/r_qtl/r_qtl2.py
index bc3a86f..2256609 100644
--- a/r_qtl/r_qtl2.py
+++ b/r_qtl/r_qtl2.py
@@ -163,3 +163,16 @@ def map_data(zfile: ZipFile, map_type: str, cdata: dict) -> Iterator[dict]:
 
     for row in with_transposed(zfile, map_file_key, cdata, __merge__):
         yield row
+
+def phenotype_data(zfile: ZipFile, cdata: dict) -> Iterator[dict]:
+    """Load phenotype file data."""
+    if not cdata.get("pheno_transposed", False):
+        for row in with_non_transposed(zfile, "pheno", cdata, lambda val: val):
+            yield row
+        return
+
+    def __merge__(id_key, ids, vals):
+        return tuple(dict(zip([id_key, vals[0]], items))
+                     for items in zip(ids, vals[1:]))
+    for row in with_transposed(zfile, "pheno", cdata, __merge__):
+        yield row